Morphemes in “triangle”
“triangle” has 2 morphemes: tri- + angle.
tri
prefix
+
angle
root
Spelling changes when the parts join: the boxes show the letters as written; the morphemes themselves are tri- + angle.
Each morpheme explained
| Morpheme | Type | Free / bound | Meaning |
|---|---|---|---|
| tri- | derivational prefix | bound | three |
| angle | free root | free | the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians |
How the word is built
angle → triangle
Each step adds one affix to the word before it; the root “angle” is where the chain starts.
Break any word into morphemes
Prefixes, roots and suffixes with glosses, free and in your browser.
Open the morphological analyzer →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 "triangle"?
"triangle" has two morphemes: tri- + angle.
How do you break "triangle" into morphemes?
tri- + angle. The root is "angle"; tri- is a derivational prefix.
What is the root word of "triangle"?
The root of "triangle" is "angle", built up as angle → triangle.
Is this morphology tool free?
Yes. The Fixie morphological analyzer is free with no signup and runs in your browser.