IgavsithWhich spelling fits?

Quick tell: Iga is a name, ith is an adjective, so they fill different roles in a sentence.

Which to use

“Iga” is a name and “ith” is an adjective - they look or sound alike but fill different roles in a sentence.

#37,503
“Iga” frequency rank
#49,435
“ith” frequency rank
86938
confusion score

Side-by-Side Comparison

Feature Iga ith
Definition An ancient province of Japan, in modern Mie Prefecture. Occurring at position i in a sequence.

Where the eye mixes Iga and ith

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. Iga (VCV) and ith (VCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
Iga
3 ch
ith

Visual trap between Iga and ith

These two trip readers on the page rather than in the ear: Iga is /ˈiːɡə/ while ith is /aɪθ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 86938, derived from the frequency rank of both members and their visual similarity.

Iga is recorded at frequency rank #37,503, classified as aname, pronounced /ˈiːɡə/. ith is at rank #49,435, tagged as anadj, pronounced /aɪθ/.

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 86938, this pair ranks #8,265 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Iga vs ith

Shared letters: i. Private to "Iga": ag. Private to "ith": ht.

"Iga" · 3 letters · shape VCV  ·  "ith" · 3 letters · shape VCC

Frequently Asked Questions

Do "Iga" and "ith" mean the same thing in a sentence?
No - they are not even the same part of speech. "Iga" is a name and "ith" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Iga" or "ith" show up more?
"Iga" is the more common of the two: it sits at frequency rank #37,503 in our English list, against #49,435 for "ith". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Iga" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ith" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #8,265 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Iga" and "ith" also get mixed up with nearby pairs, the highest-scored neighbour is "ISR vs ith". Nearby pair

Confusion rank #8,265 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