entry word vs citation form

entry word and citation form both are nouns.

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

As nouns, entry word and citation form are synonyms defined as:

entry word and citation form: the form of a word that heads a lexical entry and is alphabetized in a dictionary

Other synonyms of entry word include main entry word.

entry word (noun)	citation form (noun)
the form of a word that heads a lexical entry and is alphabetized in a dictionary	the form of a word that heads a lexical entry and is alphabetized in a dictionary