Namewise

Compare Names

Search for up to 4 names to compare side by side, or browse a curated comparison below.

  • Henry
  • Kai
Side-by-side comparison of Henry, Kai
FieldHenryKai
Record typeEditorially researched profileOfficial statistical record (evidence-only)
Gender usagemalemale
MeaningHome ruler, estate ruler.Not yet recorded
OriginGermanic, via Old French HenriNot yet recorded
Pronunciation/ˈhɛnɹi/Not yet recorded
Syllables21
Common variants / nicknamesHarry, Hal, Heinrich, HenriNot yet recorded
Recorded regional usageNew South Wales, Australia, England and Wales, Northern Ireland, Scotland, Republic of Ireland, Norway, New ZealandNew South Wales, Australia, England and Wales, Northern Ireland, Scotland, Republic of Ireland, Norway
Most recent popularity observationNew South Wales, Australia · Boys #6 (2025)New South Wales, Australia · Boys #23 (2025)
Data Confidencehighmedium

What the data shows

  • Henry has a recorded origin (Germanic, via Old French Henri); Kai does not have one recorded yet.
  • Henry has 2 syllables, compared with 1 for Kai.
  • A meaning is recorded for Henry; Kai doesn't have one written yet.
  • Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO.
  • The available evidence gives Henry a "high" Data Confidence level and Kai a "medium" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.

Name rivalries — pairs whose positions genuinely passed each other →

Curated comparisons

Olivia vs Amelia

Two of the UK's most enduringly popular girls' names, both with a soft, flowing sound and a similar era of peak popularity — the choice usually comes down to origin story and nickname preference.

Oliver vs Noah

Both are currently the most-used boys' names in several English-speaking countries. Oliver leans slightly more classic/literary; Noah is shorter and more globally portable.

Freya vs Isla

Both short, currently-fashionable UK names — Freya carries Norse mythological weight, while Isla is a Scottish place name that reads as slightly softer and more understated.

Alexander vs Magnus

Both carry regal, 'strength'-adjacent meanings and centuries of royal usage — Alexander is the more internationally familiar choice, Magnus the more distinctive.