stress vs strain

stress and strain both are nouns.

Word	Noun	Adjective	Verb	Adverb
stress	Yes	No	Yes	No
strain	Yes	No	Yes	No

As nouns, strain is a hypernym of stress; that is, strain is a word with a broader meaning than stress:

Other hypernyms of stress include mental strain, nervous strain.

As nouns, stress and strain are synonyms defined as:

As verbs, stress and strain are synonyms defined as:

Other synonyms of stress include try.

stress (noun)	strain (noun)
the relative prominence of a syllable or musical note (especially with regard to stress or pitch)	an effortful attempt to attain a goal
(physics) force that produces strain on a physical body	the act of singing
(psychology) a state of mental or emotional strain or suspense	an intense or violent exertion
difficulty that causes worry or emotional tension	the general meaning or substance of an utterance
special emphasis attached to something	a succession of notes forming a distinctive sequence
	a special variety of domesticated animals within a species
	(biology) a group of organisms within a species that differ in trivial ways from similar groups
	(physics) deformation of a physical body under the action of applied forces
	injury to a muscle (often caused by overuse); results in swelling and pain
	(psychology) nervousness resulting from mental stress
	difficulty that causes worry or emotional tension

stress (verb)	strain (verb)
to suffer from stress	cause to be tense and uneasy or nervous or anxious
to stress, single out as important	alter the shape of (something) by stress
put stress on; utter with an accent	to exert much effort or energy
test the limits of	use to the utmost; exert vigorously or to full capacity
	remove by passing through a filter
	separate by passing through a sieve or other straining device to separate out coarser elements
	become stretched or tense or taut
	rub through a strainer or process in an electric blender
	test the limits of