turn up vs unearth

turn up and unearth both are verbs.

Word	Noun	Adjective	Verb	Adverb
turn up	No	No	Yes	No
unearth	No	No	Yes	No

As verbs, unearth is a hyponym of turn up; that is, unearth is a word with a more specific, narrower meaning than turn up:

turn up: discover the location of; determine the place of; find by searching or examining
unearth: discover by investigation

Other hyponyms of turn up include nail, pinpoint.

turn up (verb)	unearth (verb)
appear or become visible; make a showing	recover through digging
bend or lay so that one part covers the other	discover by investigation
find by digging in the ground
discover the location of; determine the place of; find by searching or examining
be shown or be found to be