expect vs expectancy

expect is not a noun while expectancy is a noun.

Word	Noun	Adjective	Verb	Adverb
expect	No	No	Yes	No
expectancy	Yes	No	No	No

expect (noun)	expectancy (noun)
	something expected (as on the basis of a norm)
	an expectation

expect (verb)	expectancy (verb)
be pregnant with
look forward to the birth of a child
regard something as probable or likely
look forward to the probable occurrence of
consider reasonable or due
consider obligatory; request and expect