Rook vs Aj

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 #2,341 Most Popular 2 Syllables

"initial-name, typically Andrew James or Anthony John"

Origin: English

American English

✓ All Clear

Rook Rank #2,371

Aj Rank #2,341

Aj is more popular, ranked #2341 vs #2371 for Rook.

Is Rook or Aj more popular?

Aj is more popular, ranked #2341 compared to Rook at #2371 in the United States.

What do Rook and Aj mean?

Rook means "a crow-like black bird" (Old Norse origin). Aj means "initial-name, typically Andrew James or Anthony John" (English origin).

Are Rook and Aj boy or girl names?

Rook is primarily a boy name. Aj is primarily a boy name.