allowance vs tolerance

allowance and tolerance both are nouns.

Word	Noun	Adjective	Verb	Adverb
allowance	Yes	No	Yes	No
tolerance	Yes	No	No	No

As nouns, tolerance is a hyponym of allowance; that is, tolerance is a word with a more specific, narrower meaning than allowance:

As nouns, allowance and tolerance are synonyms defined as:

allowance and tolerance: a permissible difference; allowing some freedom to move within limits

Other synonyms of allowance include leeway, margin.

allowance (noun)	tolerance (noun)
the act of allowing	the act of tolerating something
a permissible difference; allowing some freedom to move within limits	a permissible difference; allowing some freedom to move within limits
an amount allowed or granted (as during a given period)	the power or capacity of an organism to tolerate unfavorable environmental conditions
an amount added or deducted on the basis of qualifying circumstances	a disposition to allow freedom of choice and behavior
a sum granted as reimbursement for expenses	willingness to recognize and respect the beliefs or practices of others
a reserve fund created by a charge against profits in order to provide for changes in the value of a company's assets

allowance (verb)	tolerance (verb)
put on a fixed allowance, as of food