As a verb extenuate is

to make thin or slender; to draw out so as to lessen the thickness.

As a noun adjustment is

a small change; a minor correction; a modification.

As nouns the difference between idioms and sayings

is that idioms is while sayings is .

As nouns the difference between idiom and saying

is that idiom is a manner of speaking, a way of expressing oneself while saying is a proverb or maxim; something often said.

As a verb saying is

present participle of lang=en.

As an adjective distinct

is capable of being perceived very clearly.

As a verb determine is

.

As nouns the difference between thermostat and humidity

is that thermostat is thermostat while humidity is dampness, especially that of the air.

As nouns the difference between canteen and mess

is that canteen is a small cafeteria or snack bar, especially one in a military establishment, school, or place of work while mess is mass; church service.

As a verb mess is

to take meals with a mess.

As a noun range

is homework.

As a proper noun rom is

rome.

As verbs the difference between hush and usher

is that hush is to become quiet while usher is to guide people to their seats.

As nouns the difference between hush and usher

is that hush is a silence, especially after some noise while usher is a person, in a church, cinema etc., who escorts people to their seats.

In mathematics|lang=en terms the difference between tautochrone and brachistochrone

is that tautochrone is (mathematics) a curved line, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall while brachistochrone is (mathematics) a cycloid; the curve of fastest descent between two points.

As nouns the difference between tautochrone and brachistochrone

is that tautochrone is (mathematics) a curved line, such that a heavy body, descending along it by the action of gravity, will always arrive at the lowest point in the same time, wherever in the curve it may begin to fall while brachistochrone is (mathematics) a cycloid; the curve of fastest descent between two points.