Lex vs Rook

Baby Name Comparison — 2026

Lex

Boy #2,214 Most Popular 1 Syllable

"defender of men (short for Alexander)"

Origin: Greek

English American Dutch European

✓ All Clear

Boy #2,371 Most Popular 1 Syllable

"a crow-like black bird"

Origin: Old Norse

English American

✓ All Clear

Lex Rank #2,214

Rook Rank #2,371

Lex is more popular, ranked #2214 vs #2371 for Rook.

Is Lex or Rook more popular?

Lex is more popular, ranked #2214 compared to Rook at #2371 in the United States.

What do Lex and Rook mean?

Lex means "defender of men (short for Alexander)" (Greek origin). Rook means "a crow-like black bird" (Old Norse origin).

Are Lex and Rook boy or girl names?

Lex is primarily a boy name. Rook is primarily a boy name.