Rook vs Caison

Baby Name Comparison — 2026

Rook

Boy #2,371 Most Popular 1 Syllable

"a crow-like black bird"

Origin: Old Norse

English American

✓ All Clear

Boy #2,487 Most Popular 2 Syllables

"hollow, empty space"

Origin: French

American

✓ All Clear

Rook Rank #2,371

Caison Rank #2,487

Rook is more popular, ranked #2371 vs #2487 for Caison.

Is Rook or Caison more popular?

Rook is more popular, ranked #2371 compared to Caison at #2487 in the United States.

What do Rook and Caison mean?

Rook means "a crow-like black bird" (Old Norse origin). Caison means "hollow, empty space" (French origin).

Are Rook and Caison boy or girl names?

Rook is primarily a boy name. Caison is primarily a boy name.