text edition vs crammer

text edition and crammer both are nouns.

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

As nouns, crammer is a hyponym of text edition; that is, crammer is a word with a more specific, narrower meaning than text edition:

Other hyponyms of text edition include introduction, primer, reader.

text edition (noun)	crammer (noun)
a book prepared for use in schools or colleges	a textbook designed for cramming
	a special school where students are crammed
	a student who crams
	a teacher who is paid to cram students for examinations