spot vs comprehend

spot is a noun but comprehend is not a noun.

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

spot (noun)	comprehend (noun)
an act that brings discredit to the person who does it
a business establishment for entertainment
a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
a playing card with a specified number of pips on it to indicate its value
a blemish made by dirt
a small contrasting part of something
an outstanding characteristic
a section of an entertainment that is assigned to a specific performer or performance
a short section or illustration (as between radio or tv programs or in a magazine) that is often used for advertising
a mark on a die or on a playing card (shape depending on the suit)
a point located with respect to surface features of some region
a small piece or quantity of something
a slight attack of illness

spot (verb)	comprehend (verb)
mark with a spot or spots so as to allow easy recognition	get the meaning of something
become spotted	to become aware of through the senses
make a spot or mark onto	include in scope; include as part of something broader; have as one's sphere or territory
mar or impair with a flaw
catch sight of
detect with the senses