Forming Abstract Nouns with -lIk | Turkish Grammar

Of all the suffixes that build new words in Turkish, -lIk is the busiest. It turns adjectives and nouns into abstract nouns — the territory English splits across -ness, -hood, -ship, -dom and -ity — and, with the same shape, into concrete nouns meaning "a thing or place for X." English speakers instinctively hunt for a different ending to match each English translation; in Turkish there is just one ending, and the base decides how it reads.

The core job: abstract nouns

Attach -lIk to an adjective and you get the quality named as a noun. Güzel "beautiful" becomes güzellik "beauty"; iyi "good" becomes iyilik "goodness, a good deed."

Onun güzelliği herkesi etkiliyordu.

Her beauty impressed everyone. (güzel 'beautiful' → güzellik 'beauty')

Bana yaptığın iyiliği asla unutmayacağım.

I'll never forget the kindness you did me. (iyi 'good' → iyilik 'goodness, a kind act')

Hastalık geçer, dostluk kalır.

Sickness passes, friendship remains. (hasta 'ill' → hastalık 'illness'; dost 'friend' → dostluk 'friendship')

Attach -lIk to a noun and you get a related abstract state — most often a relationship or a life-stage. Çocuk "child" becomes çocukluk "childhood"; arkadaş "friend" becomes arkadaşlık "friendship."

Çocukluğumuz aynı sokakta geçti.

Our childhood was spent on the same street. (çocuk 'child' → çocukluk 'childhood')

Yıllar süren bir arkadaşlığımız var.

We have a friendship going back years. (arkadaş 'friend' → arkadaşlık 'friendship')

The crucial mental move is to stop matching English suffixes one by one. A learner thinks "childhood needs a -hood ending, friendship a -ship ending, goodness a -ness ending" — three different problems. In Turkish it is one problem with one answer: -lIk. English fragments the abstract-noun job across half a dozen endings; Turkish unifies it.

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When you want the noun for a quality or a state — anything ending in -ness, -hood, -ship, -dom, -ity in English — reach for -lIk first. One suffix covers the whole family.

The same suffix makes concrete "thing-for" nouns

Here is where -lIk surprises English speakers. On many nouns it does not build an abstraction at all — it builds a concrete object or place associated with the base, typically a container, a tool, or a designated spot. Göz "eye" gives gözlük "glasses" (the thing for the eyes). Tuz "salt" gives tuzluk "salt-shaker" (the thing that holds salt).

Gözlüğümü nereye koyduğumu hatırlamıyorum.

I don't remember where I put my glasses. (göz 'eye' → gözlük 'glasses')

Tuzluğu uzatır mısın?

Could you pass the salt-shaker? (tuz 'salt' → tuzluk 'salt-shaker')

Kitaplığın en üst rafına ulaşamıyorum.

I can't reach the top shelf of the bookcase. (kitap 'book' → kitaplık 'bookcase')

The same ending also marks a span of time or an amount fit for something: gün "day" gives günlük, which means both "daily" and "a diary" (a book for the days); a "bir aylık" trip is "a month's-worth" trip.

Her gece günlüğüme birkaç satır yazarım.

Every night I write a few lines in my diary. (gün 'day' → günlük 'diary, daily')

Üç günlük yiyeceğimiz kaldı.

We have three days' worth of food left. (gün 'day' → günlük 'a day's worth')

So -lIk spans an enormous range — abstract quality, life-stage, relationship, container, tool, place, time-span — and the base alone tells you which reading is live. This is not ambiguity to fear; it is a single productive machine whose output is fixed once you know the input. Tuzluk can only sensibly mean "salt-shaker," güzellik can only mean "beauty," because the world supplies the rest.

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Don't try to predict abstract-vs-concrete from a rule — let the base and common sense decide. Göz → gözlük is concrete ('glasses') because eyes take a physical object; iyi → iyilik is abstract ('goodness') because a quality cannot be a container.

Four-way harmony and the softening k

The suffix is written -lIk in dictionary notation, where the capital I stands for the harmonising high vowel. It takes one of four forms by vowel harmony:

Last vowel of base	Suffix	Example	Meaning
e, i (front unrounded)	-lik	güzel → güzellik	beauty
a, ı (back unrounded)	-lık	hasta → hastalık	illness
o, u (back rounded)	-luk	çocuk → çocukluk	childhood
ö, ü (front rounded)	-lük	göz → gözlük	glasses

Read the four examples aloud — güzellik, hastalık, çocukluk, gözlük — and you have the whole harmony pattern in one breath. The vowel of the suffix simply copies the frontness and roundedness of the base's last vowel.

One more wrinkle appears when you add a further suffix that begins with a vowel. The final k of -lIk then softens to ğ, exactly as a stem-final k does elsewhere. So güzellik + accusative -i is güzelliği, not güzelliki:

Bu şehrin güzelliğini kelimelerle anlatamam.

I can't put the beauty of this city into words. (güzellik + -i → güzelliği, k softens to ğ)

Çocukluğumdan beri burada yaşıyorum.

I've lived here since my childhood. (çocukluk + -um → çocukluğum, k softens to ğ)

The softening is automatic and applies to every -lIk noun the moment a vowel-initial suffix lands on it. Before a consonant-initial suffix (or word-finally) the k stays: gözlükçü "optician," gözlük takmak "to wear glasses."

Common mistakes

❌ Çocukhood güzel bir dönemdi.

Incorrect — Turkish does not borrow English '-hood'; use -lIk: çocukluk.

✅ Çocukluk güzel bir dönemdi.

Childhood was a lovely time.

❌ Onun güzelliki beni etkiledi.

Incorrect — before a vowel-initial suffix the k softens to ğ: güzelliği.

✅ Onun güzelliği beni etkiledi.

Her beauty impressed me.

❌ Tuzlik masada duruyor.

Incorrect — tuz has a back rounded vowel (u), so the harmony is -luk: tuzluk.

✅ Tuzluk masada duruyor.

The salt-shaker is on the table.

❌ Gözlik takmadan göremiyorum.

Incorrect — göz has a front rounded vowel (ö), so the harmony is -lük: gözlük.

✅ Gözlük takmadan göremiyorum.

I can't see without glasses.

❌ Arkadaşship çok değerli.

Incorrect — there is no borrowed '-ship'; the abstract noun is arkadaşlık.

✅ Arkadaşlık çok değerli.

Friendship is very precious.

The deepest error is conceptual: looking for a separate Turkish equivalent of each English suffix. There isn't one. -lIk does the work of -ness, -hood, -ship, -dom and "container/place for" all at once. The mechanical errors — wrong harmony vowel, forgetting the k → ğ softening — clear up once that single insight lands.

Key takeaways

-lIk is the all-purpose abstract-noun suffix: it covers English -ness, -hood, -ship, -dom, -ity with one ending.
The very same suffix builds concrete "thing-for" nouns — containers, tools, places, time-spans: gözlük 'glasses', tuzluk 'salt-shaker', kitaplık 'bookcase', günlük 'diary'.
The base alone fixes the reading; güzellik is abstract, tuzluk is concrete, and common sense tells them apart.
Four-way harmony: -lik / -lık / -luk / -lük (güzellik, hastalık, çocukluk, gözlük).
The final k softens to ğ before any vowel-initial suffix: güzellik → güzelliği, çocukluk → çocukluğum.

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