situation vs strait

situation and strait both are nouns.

Word	Noun	Adjective	Verb	Adverb
situation	Yes	No	No	No
strait	Yes	Yes	No	No

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

situation (noun)	strait (noun)
a job in an organization	a narrow channel of the sea joining two larger bodies of water
physical position in relation to the surroundings	a bad or difficult situation or state of affairs
the general state of things; the combination of circumstances at a given time
a condition or position in which you find yourself
a complex or critical or unusual difficulty

situation (adjective)	strait (adjective)
	narrow