La ungegoj estas longaj.

La is the definite article, meaning the.

So la ungegoj means the claws.

A useful point for English speakers: Esperanto has only one definite article, la, and it does not change for singular/plural or gender. It is always just la.

The ending -j marks the plural in Esperanto.

• ungego = a claw
• ungegoj = claws

So -j works a bit like English -s, but in Esperanto it is very regular.

The word can be broken down like this:

• ung- = nail / claw-related root
• -eg- = a suffix meaning big, intense, or large
• -o = noun ending
• -j = plural

So ungegoj literally suggests big nails, which gives the sense of claws or talons.

This is a very common Esperanto pattern: roots and affixes combine very regularly.

-eg- is an augmentative suffix. It makes the idea stronger, bigger, or more intense.

Examples:

• domo = house
• domego = mansion / huge house

So:

• ungo = nail
• ungego = a large nail, claw, or talon

This helps show how Esperanto builds vocabulary in a logical way.

Because adjectives in Esperanto agree with the nouns they describe in number and case.

Here:

• ungegoj is plural
• so longaj must also be plural

Compare:

• La ungego estas longa. = The claw is long.
• La ungegoj estas longaj. = The claws are long.

This agreement is very important in Esperanto.

Because longa is singular, while longaj is plural.

• longa = long
• longaj = long, plural

Since the subject is la ungegoj (the claws), the adjective has to match it:

• La ungegoj estas longaj.

In Esperanto, adjectives do not change for gender, but they do change for plural and accusative.

Estas is the present tense of esti, which means to be.

So:

• estas = is / are / am

In this sentence:

• La ungegoj estas longaj. = The claws are long.

Esperanto uses the same present-tense form estas for all persons:

• mi estas = I am
• vi estas = you are
• li estas = he is
• ili estas = they are

The -n ending usually marks the direct object in Esperanto.

But here, there is no direct object. The sentence is built with esti (to be), which links the subject to a description.

• la ungegoj = subject
• estas = linking verb
• longaj = predicate adjective

So no accusative -n is needed.

Compare:

• Mi vidas la ungegojn. = I see the claws.
  Here ungegojn gets -n because it is the direct object.

Because longaj is not directly placed inside the noun phrase; it comes after estas and works as a predicate adjective.

So the structure is:

• La ungegoj = the claws
• estas = are
• longaj = long

This is like English The claws are long.

If an adjective directly modifies a noun, it often comes before it:

• la longaj ungegoj = the long claws

So both positions exist, but they do different jobs.

Yes, but that is not a complete sentence by itself in the same way.

• La longaj ungegoj = the long claws
  This is just a noun phrase.
• La ungegoj estas longaj. = The claws are long.
  This is a full sentence.

So the first names the claws, while the second says something about them.

Not as strictly as in English, but this sentence uses the most normal order.

Standard order:

• La ungegoj estas longaj.

Because Esperanto marks grammar with endings, word order is often more flexible than in English. Still, this basic order is the clearest and most natural for learners.

No. Esperanto nouns and adjectives do not have grammatical gender the way many European languages do.

• ungegoj is plural, but not masculine or feminine
• longaj agrees in plural, not in gender

This is often easier for English speakers, because you do not have to memorize noun genders.

A simple pronunciation guide is:

oon-GEH-goy

More carefully:

• u sounds like oo
• ge has a hard g, as in get
• oj sounds like oy in boy

So:

• ungegoj ≈ oon-GEH-goy

Also remember that Esperanto stress usually falls on the second-to-last syllable:

• un-GE-goj

No. Esperanto has no indefinite article.

So:

• ungego can mean a claw or just claw, depending on context
• la ungego means the claw

This is why la is important: it specifically marks definiteness, but there is no separate word for a/an.