psychometrics vs psychology

psychometrics and psychology both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychometrics	Yes	No	No	No
psychology	Yes	No	No	No

As nouns, psychology is a hypernym of psychometrics; that is, psychology is a word with a broader meaning than psychometrics:

psychometrics: any branch of psychology concerned with psychological measurements
psychology: the science of mental life

Other hypernyms of psychometrics include psychological science.

psychometrics (noun)	psychology (noun)
any branch of psychology concerned with psychological measurements	the science of mental life