abuse vs do by

abuse is a noun but do by is not a noun.

Word	Noun	Adjective	Verb	Adverb
abuse	Yes	No	Yes	No
do by	No	No	Yes	No

As verbs, do by is a hypernym of abuse; that is, do by is a word with a broader meaning than abuse:

Other hypernyms of abuse include handle, treat.

abuse (noun)	do by (noun)
improper or excessive use
cruel or inhumane treatment
a rude expression intended to offend or hurt

abuse (verb)	do by (verb)
change the inherent purpose or function of something	interact in a certain way
use wrongly or improperly or excessively
use foul or abusive language towards
treat badly