observe vs comprehend

observe and comprehend both are verbs.

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

observe (verb)	comprehend (verb)
stick to correctly or closely	get the meaning of something
make mention of	to become aware of through the senses
watch attentively	include in scope; include as part of something broader; have as one's sphere or territory
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