readiness vs psychological science

readiness and psychological science both are nouns.

Word	Noun	Adjective	Verb	Adverb
readiness	Yes	No	No	No
psychological science	Yes	No	No	No

readiness (noun)	psychological science (noun)
prompt willingness	the science of mental life
a natural effortlessness
(psychology) being temporarily ready to respond in a particular way
the state of having been made ready or prepared for use or action (especially military action)