backchat

As nouns the difference between liar and backchat

is that liar is one who tells lies while backchat is (british) cheeky or impertinent responses, especially to criticism.

As a verb backchat is

to respond in a disputative, often sarcastic manner.

As nouns the difference between taxonomy and backchat

is that taxonomy is the science or the technique used to make a classification while backchat is cheeky or impertinent responses, especially to criticism.

As a verb backchat is

to respond in a disputative, often sarcastic manner.