follow up vs follow through

follow up and follow through both are verbs.

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

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

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

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

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