recognise vs thank

recognise and thank both are verbs.

Word	Noun	Adjective	Verb	Adverb
recognise	No	No	Yes	No
thank	No	No	Yes	No

As verbs, thank is a hypernym of recognise; that is, thank is a word with a broader meaning than recognise:

Other hypernyms of recognise include give thanks.

recognise (verb)	thank (verb)
perceive to be the same	express gratitude or show appreciation to
be fully aware or cognizant of
accept (someone) to be what is claimed or accept his power and authority
express obligation, thanks, or gratitude for
express greetings upon meeting someone
detect with the senses
grant credentials to
show approval or appreciation of