Predicting Whether a Noun Is De or Het

The honest starting point is this: Dutch noun gender is not fully predictable, and for a large core of everyday words (de tafel, het huis, de stoel, het raam) you simply have to know it. But "not fully predictable" is a long way from "random." A surprising amount of the system follows from a noun's ending, meaning, or shape, and a handful of those rules are close to watertight. This page gives you the reliable het-rules first (the high-value ones, because het is the harder gender), then the de-tendencies, and finally the single best trick in the whole noun system. It builds on the basic two-gender concept from De-words and Het-words; read that first if de vs het is new to you.

The strategy throughout: because roughly two-thirds of nouns are de-words, treat de as the default and spend your memory on spotting the het-words. The rules below are mostly het-detectors for exactly that reason.

High-reliability het rules

These are strong enough to trust. When a noun matches one of these, predict het with real confidence.

1. All diminutives (-je) are het

Every diminutive — the "little" form ending in -je (or -tje, -etje, -pje, -kje) — is a het-word, with no exceptions. This is the most reliable gender rule in the entire language.

Note het meisje (girl): it is a diminutive in origin (of the archaic meid), so despite referring to a female person it is grammatically neuter — a classic surprise for learners.

2. All infinitives used as nouns are het

Dutch turns any verb into a noun just by using its infinitive with het — the equivalent of English "-ing" used as a noun ("the running, the smoking"). Every such verbal noun is het.

3. Words ending in -isme, -ment, -sel, -um

These suffixes reliably signal het:

• -isme: het toerisme, het organisme, het kapitalisme
• -ment: het document, het moment, het experiment, het parlement
• -sel: het deksel, het stelsel, het raadsel (the -sel that makes a result-noun from a verb)
• -um: het museum, het centrum, het album, het maximum (mostly Latin-origin)

4. Colours and metals (as nouns)

The names of colours and of metals, used as nouns, are het: het rood, het blauw, het groen; het goud, het zilver, het ijzer, het staal.

5. Short native words are (often) het

A soft rule of thumb: a good number of very short, monosyllabic native words are het — het ei (egg), het uur (hour), het jaar (year), het oog (eye). This is only a weak nudge, though: de zee (sea) and de boom (tree) are just as short and clearly de. Lean on rules 1–4 instead and treat shortness as a faint hint at most.

Strong de tendencies

These are tendencies, not laws — but they shift the odds heavily toward de. Combined with the two-thirds baseline, a noun matching one of these is very likely de.

Agent nouns in -er

A "doer" noun built from a verb with -er (the person or thing that does something) is a de-word: de bakker (baker), de werker (worker), de speler (player) — and the same holds for many machine-agents: de computer, de printer, de wekker (alarm clock).

Abstract nouns in -ie, -heid, -teit, -ing, -tie

This is one of the most useful de clusters, because these suffixes are everywhere in formal and academic Dutch:

• -heid: de vrijheid, de waarheid, de gezondheid (freedom, truth, health)
• -ing: de regering, de opleiding, de vergadering (government, training, meeting)
• -tie / -ie: de informatie, de politie, de relatie, de provincie
• -teit: de universiteit, de kwaliteit, de identiteit

Most fruits, trees, plants

Names of fruits, trees and plants lean strongly de: de appel, de peer, de banaan; de eik, de boom; de roos, de tulp. (The general word het fruit, collectively, is a notable het exception.)

Words ending in -e

Native nouns ending in an unstressed -e are usually de: de seconde, de groente, de vlakte, de gedachte.

The cheat code: the diminutive sidesteps gender

Here is the single most useful consequence of rule 1, and it is worth a section of its own. If you can put a noun into its diminutive -je form, you no longer need to know its base gender at all — because every diminutive is het. You short-circuit the whole problem.

Take de kop (cup — a de-word). If you are unsure, or you just want the small/cosy version, say het kopje: instantly het, instantly dit kopje, instantly het kleine kopje. The base noun's gender becomes irrelevant.

This is not a hack to use blindly — the diminutive adds a shade of smallness, affection or casualness, so you cannot diminutivise every noun in formal writing. But in everyday conversation, where Dutch reaches for the -je form constantly anyway, it genuinely lets you dodge a gender you have not memorised. Spotting and using this is one of the quiet skills that makes a learner's Dutch flow. The forms and spelling of the diminutive are covered in Diminutives: Overview.

For how gender behaves when nouns are built up — derived with prefixes/suffixes, or compounded — see Gender of Derived and Compound Nouns; the short version is that a compound takes the gender of its last part (de deur + het slot → het deurslot).

Common Mistakes

Key Takeaways

• Gender is not fully predictable, but a lot of it follows from ending, meaning or shape — so treat de as default and learn to spot the het-words.
• Reliable het: every diminutive (-je), every infinitive-as-noun, -isme/-ment/-sel/-um, colours and metals.
• Strong de tendencies: agent nouns in -er; abstracts in -heid/-teit/-ing/-tie/-ie; fruits, trees and plants; unstressed -e endings.
• The endings -ing, -tie, -heid point to de; the ending -je points to het — and -je is absolute.
• The diminutive is the cheat code: any -je form is guaranteed het, letting you sidestep a base gender you don't know (het kopje regardless of de kop).