spotter vs spot

spotter and spot both are nouns.

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

spotter (noun)	spot (noun)
someone who is the first to observe something	an act that brings discredit to the person who does it
a worker employed to apply spots (as markers or identifiers)	a business establishment for entertainment
a worker employed at a dry-cleaning establishment to remove spots	a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
a person employed to keep watch for some anticipated event	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

spotter (verb)	spot (verb)
	mark with a spot or spots so as to allow easy recognition
	become spotted
	make a spot or mark onto
	mar or impair with a flaw
	catch sight of
	detect with the senses