agatevsAgathaWhich spelling fits?

Quick tell: agate is a noun, Agatha is a name, so they fill different roles in a sentence.

Which to use

“agate” is a noun and “Agatha” is a name - they look or sound alike but fill different roles in a sentence.

#36,422
“agate” frequency rank
#23,448
“Agatha” frequency rank
59870
confusion score

Side-by-Side Comparison

Feature agate Agatha
Definition A semitransparent, uncrystallized silicate mineral and semiprecious stone, presenting various tints in the same specimen, with colors delicately arranged and often curved in parallel alternating dark and light stripes or bands, or blended in clouds; various authorities call it a variety of chalcedony, a variety of quartz, or a combination of the two. A female given name from Ancient Greek.

Where the eye mixes agate and Agatha

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
agate
6 ch
Agatha

Visual trap between agate and Agatha

These two trip readers on the page rather than in the ear: agate is /ˈæɡ.ɪt/ while Agatha is /ˈæɡəθə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 59870, derived from the frequency rank of both members and their visual similarity.

agate is recorded at frequency rank #36,422, classified as anoun, pronounced /ˈæɡ.ɪt/. Agatha is at rank #23,448, tagged as aname, pronounced /ˈæɡəθə/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 59870, this pair ranks #103,600 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of agate vs Agatha

Shared letters: agt. Private to "agate": e. Private to "Agatha": h.

"agate" · 5 letters · shape VCVCV  ·  "Agatha" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • agateaagte · agaet · agatte · aggate · agtae · gaate
  • Agathaaagtha · agahta · agatah · agathha · agattha · aggatha · agtaha · gaatha

Frequently Asked Questions

Is swapping "agate" for "Agatha" ever safe?
No - they are not even the same part of speech. "agate" is a noun and "Agatha" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "agate" or "Agatha"?
"Agatha" is the more common of the two: it sits at frequency rank #23,448 in our English list, against #36,422 for "agate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "agate" and "Agatha" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "agate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Agatha" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #103,600 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "agate" and "Agatha" also get mixed up with nearby pairs, the highest-scored neighbour is "abated vs agate". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #103,600 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list