Boehm flute vs Western concert flute

Boehm flute and Western concert flute both are nouns.

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

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

Boehm 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 Boehm flute include C flute, transverse flute.

Boehm 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.