Yes, clank is in the scrabble dictionary

Clank Definition

noun

A metallic sound, sharp and hard but not resonant: the clank of chains.

A sharp brief metallic ringing sound.

verb-intransitive

To make a sharp, hard, metallic sound.

verb

To make a clank or series of .

To go with or as if with a clank .

To cause to clank.

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