entry word vs word form

entry word and word form both are nouns.

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

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

entry word: the form of a word that heads a lexical entry and is alphabetized in a dictionary
word form: the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

Other hypernyms of entry word include descriptor, form, signifier.

entry word (noun)	word form (noun)
the form of a word that heads a lexical entry and is alphabetized in a dictionary	the phonological or orthographic sound or appearance of a word that can be used to describe or identify something