chokepoint vs bottleneck

chokepoint and bottleneck both are nouns.

Word	Noun	Adjective	Verb	Adverb
chokepoint	Yes	No	No	No
bottleneck	Yes	No	Yes	No

As nouns, chokepoint and bottleneck are synonyms defined as:

chokepoint and bottleneck: a narrowing that reduces the flow through a channel

Other synonyms of chokepoint include constriction.

chokepoint (noun)	bottleneck (noun)
a point of congestion or blockage	the narrow part of a bottle near the top
a narrowing that reduces the flow through a channel	a narrowing that reduces the flow through a channel

chokepoint (verb)	bottleneck (verb)
	become narrow, like a bottleneck
	slow down or impede by creating an obstruction