balk vs jib

balk and jib both are nouns.

Word	Noun	Adjective	Verb	Adverb
balk	Yes	No	Yes	No
jib	Yes	No	Yes	No

As verbs, balk and jib are synonyms defined as:

Other synonyms of balk include baulk, resist.

balk (noun)	jib (noun)
an illegal pitching motion while runners are on base	any triangular fore-and-aft sail (set forward of the foremast)
one of several parallel sloping beams that support a roof
something immaterial that interferes with or delays action or progress
the area on a billiard table behind the balkline

balk (verb)	jib (verb)
refuse to comply	shift from one side of the ship to the other
	refuse to comply