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bird vs birdwatch birdwatch vs bird

bird is a noun but birdwatch is not a noun.

bird and birdwatch both are verbs.

As verbs, bird and birdwatch are synonyms with the definitions:
  • watch and study birds in their natural habitat
bird (noun) birdwatch (noun)
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
the flesh of a bird or fowl (wild or domestic) used as food
informal terms for a (young) woman
a cry or noise made to express displeasure or contempt
badminton equipment consisting of a ball of cork or rubber with a crown of feathers
bird (verb) birdwatch (verb)
watch and study birds in their natural habitat watch and study birds in their natural habitat