Morphemes in “activity”

“activity” has 3 morphemes: act + -ive + -ity.

act root
+
iv suffix
+
ity suffix

Spelling changes when the parts join: the boxes show the letters as written; the morphemes themselves are act + -ive + -ity.

Each morpheme explained

MorphemeTypeFree / boundMeaning
act free root free a legal document codifying the result of deliberations of a committee or society or legislative body
-ive (written iv) derivational suffix bound tending to, having the nature of
-ity derivational suffix bound quality or condition of

How the word is built

act active activity

Each step adds one affix to the word before it; the root “act” is where the chain starts.

Morphemes are not syllables

Morphemes (3)
act + iv + ity
Spoken syllables (4)
ac·tiv·i·ty /æk.ˈtɪv.ə.ti/

Morphemes are units of meaning; syllables are units of sound. The boundaries often fall in different places, which is why “activity” splits one way for a morphology exercise and another for a syllable count.

Syllables and stress in “activity” →

Break any word into morphemes

Prefixes, roots and suffixes with glosses, free and in your browser.

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Related words

Segmentation derived from MorphyNet (Batsuren, Bella & Giunchiglia, 2021; CC BY-SA 3.0, built from Wiktionary), with hand-written affix glosses and root meanings from WordNet. Reviewed for classroom use; tell us if you spot an error.

Frequently Asked Questions

How many morphemes are in "activity"?
"activity" has three morphemes: act + -ive + -ity.
How do you break "activity" into morphemes?
act + -ive + -ity. The root is "act"; -ive is a derivational suffix, -ity is a derivational suffix.
What is the root word of "activity"?
The root of "activity" is "act", built up as act → active → activity.
Is this morphology tool free?
Yes. The Fixie morphological analyzer is free with no signup and runs in your browser.