lurk vs conceal

lurk and conceal both are verbs.

Word	Noun	Adjective	Verb	Adverb
lurk	No	No	Yes	No
conceal	No	No	Yes	No

As verbs, conceal is a hypernym of lurk; that is, conceal is a word with a broader meaning than lurk:

Other hypernyms of lurk include hide.

lurk (verb)	conceal (verb)
wait in hiding to attack	hold back; keep from being perceived by others
to monitor a web forum or similar without making your presence pubilc	prevent from being seen or discovered
be about a place without any apparent purpose
lie in wait, lie in ambush, behave in a sneaky and secretive manner