Omega vs Sekai

Baby Name Comparison — 2026

Omega

Boy #3,247 Most Popular 3 Syllables

Meaning

"completion, eternity"

Origin: Greek

Cultural Roots

American Greek African-American

Quick Stats

Popularity Rank
#3,247
Total SSA Count
37
Syllables
3
Formality
Moderate
Nicknames
Meg, Ome

Playground Safety Score

✓ All Clear
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Sekai

Boy #3,312 Most Popular 2 Syllables

Meaning

"world, the whole world"

Origin: Japanese

Cultural Roots

Japanese Zimbabwean/Shona

Quick Stats

Popularity Rank
#3,312
Total SSA Count
36
Syllables
2
Formality
Moderate
Nicknames
Kai, Sek

Playground Safety Score

✓ All Clear
Full profile for Sekai →

Popularity Comparison

Omega Rank #3,247
Sekai Rank #3,312

Omega is more popular, ranked #3247 vs #3312 for Sekai.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Omega ___

  • Omega James
  • Omega Darius
  • Omega Elijah
  • Omega Isaiah
  • Omega Marcus
  • Omega Dean

Sekai ___

  • Sekai James
  • Sekai Lee
  • Sekai Ryu
  • Sekai Kenji
  • Sekai Taro
  • Sekai Hiro

Sibling Name Ideas

Names that pair well as siblings.

If you choose Omega

Alpha Zion Genesis Titan Orion

If you choose Sekai

Kai Hana Riko Zuri Amara

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Omega or Sekai more popular?

Omega is more popular, ranked #3247 compared to Sekai at #3312 in the United States.

What do Omega and Sekai mean?

Omega means "completion, eternity" (Greek origin). Sekai means "world, the whole world" (Japanese origin).

Are Omega and Sekai boy or girl names?

Omega is primarily a boy name. Sekai is primarily a boy name.

More Comparisons

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← Full profile: Omega ← Full profile: Sekai Browse all baby names