word form vs descriptor

word form and descriptor both are nouns.

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

As nouns, word form and descriptor are synonyms defined as:

word form and descriptor: the phonological or orthographic sound or appearance of a word that can be used to describe or identify something

Other synonyms of word form include form, signifier.

word form (noun)	descriptor (noun)
the phonological or orthographic sound or appearance of a word that can be used to describe or identify something	a piece of stored information that is used to identify an item in an information storage and retrieval system
	the phonological or orthographic sound or appearance of a word that can be used to describe or identify something