tablecloth

As a noun tablecloth is

a cloth used to cover and protect a table, especially for a dining table.

As nouns the difference between taxonomy and tablecloth

is that taxonomy is the science or the technique used to make a classification while tablecloth is a cloth used to cover and protect a table, especially for a dining table.

As nouns the difference between existentialism and tablecloth

is that existentialism is a twentieth-century philosophical movement emphasizing the uniqueness of each human existence in freely making its self-defining choices while tablecloth is a cloth used to cover and protect a table, especially for a dining table.