follow through vs follow up

follow through and follow up both are verbs.

Word	Noun	Adjective	Verb	Adverb
follow through	No	No	Yes	No
follow up	No	No	Yes	No

As verbs, follow through and follow up are synonyms defined as:

follow through and follow up: pursue to a conclusion or bring to a successful issue

Other synonyms of follow through include carry out, follow out, go through with, implement, put through.

follow through (verb)	follow up (verb)
pursue to a conclusion or bring to a successful issue	pursue to a conclusion or bring to a successful issue
carry a stroke to natural completion after hitting or releasing a ball	increase the effectiveness or success of by further action