prorogue vs call off

prorogue and call off both are verbs.

Word	Noun	Adjective	Verb	Adverb
prorogue	No	No	Yes	No
call off	No	No	Yes	No

prorogue (verb)	call off (verb)
adjourn by royal prerogative; without dissolving the legislative body	give the calls (to the dancers) for a square dance
hold back to a later time	postpone indefinitely or annul something that was scheduled