triquetral bone vs pyramidal bone

triquetral bone and pyramidal bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
triquetral bone	Yes	No	No	No
pyramidal bone	Yes	No	No	No

As nouns, triquetral bone and pyramidal bone are synonyms defined as:

triquetral bone and pyramidal bone: a wrist bone that articulates with the pisiform and hamate and lunate bones

Other synonyms of triquetral bone include cuneiform bone, os triquetrum, triquetral.

triquetral bone (noun)	pyramidal bone (noun)
a wrist bone that articulates with the pisiform and hamate and lunate bones	a wrist bone that articulates with the pisiform and hamate and lunate bones