boundary vs bound

boundary and bound both are nouns.

Word	Noun	Adjective	Verb	Adverb
boundary	Yes	No	No	No
bound	Yes	Yes	Yes	No

As nouns, boundary and bound are synonyms defined as:

Other synonyms of boundary include limit.

As nouns, boundary and bound are synonyms defined as:

boundary and bound: the line or plane indicating the limit or extent of something

Other synonyms of boundary include bounds.

As nouns, boundary and bound are synonyms defined as:

Other synonyms of boundary include edge.

boundary (noun)	bound (noun)
the greatest possible degree of something	a light, self-propelled movement upwards or forwards
the line or plane indicating the limit or extent of something	the greatest possible degree of something
a line determining the limits of an area	the line or plane indicating the limit or extent of something
	a line determining the limits of an area

boundary (adjective)	bound (adjective)
	confined by bonds
	secured with a cover or binding; often used as a combining form
	held with another element, substance or material in chemical or physical union
	confined in the bowels
	headed or intending to head in a certain direction; often used as a combining form as in `college-bound students'
	bound by an oath
	covered or wrapped with a bandage
	bound by contract
	(usually followed by `to') governed by fate

boundary (verb)	bound (verb)
	place limits on (extent or amount or access)
	spring back; spring away from an impact
	move forward by leaps and bounds
	form the boundary of; be contiguous to