acronym vs word form

acronym and word form both are nouns.

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

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

acronym: a word formed from the initial letters of the several words in the name and pronounced as one word
word form: the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

Other hypernyms of acronym include descriptor, form, signifier.

acronym (noun)	word form (noun)
a word formed from the initial letters of the several words in the name and pronounced as one word	the phonological or orthographic sound or appearance of a word that can be used to describe or identify something