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Word Forms — Noun, Verb, Adjective, Adverb

See the full word family for any English word — noun, verb, adjective, and adverb forms with definitions and examples.

Word Forms of the Day — Think

To use the mind to consider or judge.

See word forms for Think →

Most Popular Word Forms Pages

The word forms pages our learners look up most often. Click any word to see the full result page.

Happy Feeling or showing pleasure and contentment. Love Strong affection for someone or something. Light Brightness from the sun, fire or a lamp. Time A measurable period; the present moment. Day A 24-hour period or the time when it is light. Life The state of being alive; existence. Way A method, route or manner of doing something. World The earth and all its people, places and things. Work Activity involving mental or physical effort. Play To engage in activity for enjoyment. Run To move quickly on foot. See To perceive with the eyes; to understand. Find To discover or locate something. Take To grasp, hold or carry away. Make To create or produce something. Give To freely transfer possession of something. Say To utter words to express something. Think To use the mind to consider or judge.

Browse Word Forms Alphabetically

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About the Word Forms Tool

Many English words have related forms across multiple parts of speech: "happy" (adjective), "happiness" (noun), "happily" (adverb). This tool shows you the full word family for any base word, plus the suffix patterns and example sentences for each form.

Frequently Asked Questions About Word Forms

What is a word family?

A word family is a group of words that share the same root and shift between parts of speech. For example: happy, happiness, happily.

What is the noun form of a word?

The noun form is the version of the word used to name the action, state, or result. The result page for any word shows its noun form if one exists.

What is the verb form?

The verb form is used to describe the action. Some words ("run", "walk") work as both noun and verb without changing spelling.

Why are some forms missing?

Not every word has all four parts of speech. We only show forms confirmed in our dictionary — empty forms are hidden instead of filled with placeholder text.

Can a word have more than one noun form?

Yes. For example "decide" has both "decision" and "decider". Result pages list every confirmed form.