cromlech

As a noun cromlech

is a dolmen or ancient underground tomb.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between cromlech and colonnade

is that cromlech is a dolmen or ancient underground tomb while colonnade is a series of columns at regular intervals.

As a noun cromlech is

a dolmen or ancient underground tomb.

As nouns the difference between henge and cromlech

is that henge is a prehistoric enclosure in the form of a circle or circular arc defined by a raised circular bank and a circular ditch usually running inside the bank, with one or more entrances leading into the enclosed open space while cromlech is a dolmen or ancient underground tomb.

As nouns the difference between taxonomy and cromlech

is that taxonomy is the science or the technique used to make a classification while cromlech is a dolmen or ancient underground tomb.