The difference between Clam and Clammy

When used as adjectives, clam means clammy, whereas clammy means cold and damp, usually referring to hands or palms.

Clam is also noun with the meaning: a bivalve mollusk of many kinds, especially those that are edible.

Clam is also verb with the meaning: to dig for clams.

check bellow for the other definitions of Clam and Clammy

Clam as a noun:

A bivalve mollusk of many kinds, especially those that are edible; for example the (Mya arenaria), the hard clam (Mercenaria mercenaria), the sea clam or (), and other species. The name is said to have been given originally to the Tridacna gigas, a huge East Indian bivalve.
Clam as a noun:

Strong pincers or forceps.
Clam as a noun:

A kind of vise, usually of wood.
Clam as a noun (US, slang):

A dollar (usually used in the plural).

Examples:

"Those sneakers cost me fifty clams!"
Clam as a noun (slang, derogatory):

A Scientologist.
Clam as a noun (slang):

A vagina.
Clam as a noun (informal):

One who clams up; a taciturn person, one who refuses to speak.

Clam as a noun:

A crash or clangor made by ringing all the bells of a chime at once.

Examples:

"rfquotek Nares"

Clam as a verb:

To produce, in bellringing, a clam or clangor; to cause to clang.

Examples:

"rfquotek Nares"

Clam as a verb:

To be moist or glutinous; to stick; to adhere.

Examples:

"rfquotek Dryden"
Clam as a verb:

To clog, as with glutinous or viscous matter.

Clammy as an adjective:

Cold and damp, usually referring to hands or palms.

Examples:

"His hands were clammy from fright."
Clammy as an adjective (medicine):

The quality of normal skin signs, epidermis that is neither diaphoretic nor dry.