consideration vs tact

consideration and tact both are nouns.

Word	Noun	Adjective	Verb	Adverb
consideration	Yes	No	No	No
tact	Yes	No	No	No

As nouns, tact is a hyponym of consideration; that is, tact is a word with a more specific, narrower meaning than consideration:

Other hyponyms of consideration include attentiveness, tactfulness.

consideration (noun)	tact (noun)
a considerate and thoughtful act	consideration in dealing with others and avoiding giving offense
kind and considerate regard for others
the process of giving careful thought to something
information that should be kept in mind when making a decision
a discussion of a topic (as in a meeting)
a fee charged in advance to retain the services of someone