Morphemes in “teacher”

“teacher” has 2 morphemes: teach + -er.

teach root
+
er suffix

Spelling changes when the parts join: the boxes show the letters as written; the morphemes themselves are teach + -er.

Each morpheme explained

MorphemeTypeFree / boundMeaning
teach free root free an English pirate who operated in the Caribbean and off the Atlantic coast of North America (died in 1718)
-er derivational suffix bound a person or thing that does (agent); also 'more' when comparative

How the word is built

teach teacher

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

Morphemes are not syllables

Morphemes (2)
teach + er
Spoken syllables (2)
teach·er /ˈti.tʃɚ/

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

Syllables and stress in “teacher” →

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 "teacher"?
"teacher" has two morphemes: teach + -er.
How do you break "teacher" into morphemes?
teach + -er. The root is "teach"; -er is a derivational suffix.
What is the root word of "teacher"?
The root of "teacher" is "teach", built up as teach → teacher.
Is this morphology tool free?
Yes. The Fixie morphological analyzer is free with no signup and runs in your browser.