Onix vs Rhen

Baby Name Comparison — 2026

Onix

Boy #5,293 Most Popular 2 Syllables

"black banded gemstone"

Origin: Greek

American Latin American Spanish

✓ All Clear

Boy #5,219 Most Popular 1 Syllable

"flowing river, running water"

Origin: Celtic

English Welsh American

✓ All Clear

Onix Rank #5,293

Rhen Rank #5,219

Rhen is more popular, ranked #5219 vs #5293 for Onix.

Is Onix or Rhen more popular?

Rhen is more popular, ranked #5219 compared to Onix at #5293 in the United States.

What do Onix and Rhen mean?

Onix means "black banded gemstone" (Greek origin). Rhen means "flowing river, running water" (Celtic origin).

Are Onix and Rhen boy or girl names?

Onix is primarily a boy name. Rhen is primarily a boy name.