observe vs reconnoitre

observe and reconnoitre both are verbs.

Word	Noun	Adjective	Verb	Adverb
observe	No	No	Yes	No
reconnoitre	No	No	Yes	No

As verbs, reconnoitre is a hyponym of observe; that is, reconnoitre is a word with a more specific, narrower meaning than observe:

Other hyponyms of observe include bird, birdwatch, monitor, supervise, monitor, reconnoiter, scout, track.

observe (verb)	reconnoitre (verb)
stick to correctly or closely	explore, often with the goal of finding something or somebody
make mention of
watch attentively
observe with care or pay close attention to
discover or determine the existence, presence, or fact of by perception with the eyes
follow with the eyes or the mind
show respect towards
behave as expected during of holidays or rites
conform one's action or practice to