straitjacket vs baulk

straitjacket and baulk both are nouns.

Word	Noun	Adjective	Verb	Adverb
straitjacket	Yes	No	No	No
baulk	Yes	No	Yes	No

As nouns, baulk is a hypernym of straitjacket; that is, baulk is a word with a broader meaning than straitjacket:

straitjacket: anything immaterial that severely hinders or confines
baulk: something immaterial that interferes with or delays action or progress

Other hypernyms of straitjacket include balk, check, deterrent, handicap, hinderance, hindrance, impediment.

straitjacket (noun)	baulk (noun)
a garment similar to a jacket that is used to bind the arms tightly against the body as a means of restraining a violent person	one of several parallel sloping beams that support a roof
anything immaterial that severely hinders or confines	something immaterial that interferes with or delays action or progress
	the area on a billiard table behind the balkline

straitjacket (verb)	baulk (verb)
	refuse to comply