C flute vs Western concert flute

C flute and Western concert flute both are nouns.

Word	Noun	Adjective	Verb	Adverb
C flute	Yes	No	No	No
Western concert flute	Yes	No	No	No

As nouns, C flute and Western concert flute are synonyms defined as:

C flute and Western concert flute: The Western concert flute (also called transverse flute, C flute or Boehm flute) is a side-blown woodwind instrument made of metal or wood.

Other synonyms of C flute include Boehm flute, transverse flute.

C flute (noun)	Western concert flute (noun)
The Western concert flute (also called transverse flute, C flute or Boehm flute) is a side-blown woodwind instrument made of metal or wood.	The Western concert flute (also called transverse flute, C flute or Boehm flute) is a side-blown woodwind instrument made of metal or wood.