consider vs think twice

consider and think twice both are verbs.

Word	Noun	Adjective	Verb	Adverb
consider	No	No	Yes	No
think twice	No	No	Yes	No

As verbs, think twice is a hyponym of consider; that is, think twice is a word with a more specific, narrower meaning than consider:

Other hyponyms of consider include see, premeditate, debate, wrestle.

consider (verb)	think twice (verb)
deem to be	consider and reconsider carefully
take into consideration for exemplifying purposes
regard or treat with consideration, respect, and esteem
judge or regard; look upon; judge
show consideration for; take into account
think about carefully; weigh
give careful consideration to
look at attentively
look at carefully; study mentally