main entry word vs entry word

main entry word and entry word both are nouns.

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

As nouns, main entry word and entry word are synonyms defined as:

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

Other synonyms of main entry word include citation form.

main entry word (noun)	entry word (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