etymon vs word form

etymon and word form both are nouns.

Word	Noun	Adjective	Verb	Adverb
etymon	Yes	No	No	No
word form	Yes	No	No	No

As nouns, word form is a hypernym of etymon; that is, word form is a word with a broader meaning than etymon:

etymon: a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes
word form: the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

Other hypernyms of etymon include descriptor, form, signifier.

etymon (noun)	word form (noun)
a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes	the phonological or orthographic sound or appearance of a word that can be used to describe or identify something