trappous

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective trappous is

(mineralogy) of or relating to trap.

In mineralogy|lang=en terms the difference between trappous and trappy

is that trappous is (mineralogy) of or relating to trap while trappy is (mineralogy) like the mineral called trap; trappean; trappous.

As adjectives the difference between trappous and trappy

is that trappous is (mineralogy) of or relating to trap while trappy is (horse riding) of a gait, short, rapid and high-stepping.