client vs computer

client and computer both are nouns.

Word	Noun	Adjective	Verb	Adverb
client	Yes	No	No	No
computer	Yes	No	No	No

As nouns, computer is a hypernym of client; that is, computer is a word with a broader meaning than client:

client: (computer science) any computer that is hooked up to a computer network
computer: a machine for performing calculations automatically

client (noun)	computer (noun)
(computer science) any computer that is hooked up to a computer network	a machine for performing calculations automatically
a person who seeks the advice of a lawyer	an expert at calculation (or at operating calculating machines)
someone who pays for goods or services