poodle vs large poodle

poodle and large poodle both are nouns.

Word	Noun	Adjective	Verb	Adverb
poodle	Yes	No	No	No
large poodle	Yes	No	No	No

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

poodle: an intelligent dog with a heavy curly solid-colored coat that is usually clipped; an old breed sometimes trained as sporting dogs or as performing dogs
large poodle: the largest breed of poodle

Other hyponyms of poodle include toy poodle, miniature poodle, standard poodle.

poodle (noun)	large poodle (noun)
an intelligent dog with a heavy curly solid-colored coat that is usually clipped; an old breed sometimes trained as sporting dogs or as performing dogs	the largest breed of poodle