textbook vs text edition

textbook and text edition both are nouns.

Word	Noun	Adjective	Verb	Adverb
textbook	Yes	Yes	No	No
text edition	Yes	No	No	No

As nouns, textbook and text edition are synonyms defined as:

textbook and text edition: a book prepared for use in schools or colleges

Other synonyms of textbook include school text, schoolbook, text.

textbook (noun)	text edition (noun)
a book prepared for use in schools or colleges	a book prepared for use in schools or colleges

textbook (adjective)	text edition (adjective)
according to or characteristic of a casebook or textbook; typical