different between orkish vs orcish

English

Variant of orcish. Popularized by J. R. R. Tolkien in The Lord of the Rings.

orkish (comparative more orkish, superlative most orkish)

(fantasy) Of, pertaining to, or sharing similarities with an orc.
He grimaced in an orkish manner.

orc +? -ish

orcish (comparative more orcish, superlative most orcish)

(fantasy) Of or relating to orcs (monstrous humanoid creatures).
an orcish blade

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