IndusvsinputWhich spelling fits?

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

Which to use

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

#26,126
“Indus” frequency rank
#3,953
“input” frequency rank
30079
confusion score

Side-by-Side Comparison

Feature Indus input
Definition A major river in China, India and Pakistan, rising in Tibet and flowing into the Arabian Sea. The act or process of putting in; infusion.

Where the eye mixes Indus and input

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
Indus
5 ch
input

Why the eye confuses Indus with input

These two trip readers on the page rather than in the ear: Indus is /ˈɪn.dəs/ while input is /ˈɪnpʊt/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 30079, derived from the frequency rank of both members and their visual similarity.

Indus is recorded at frequency rank #26,126, classified as aname, pronounced /ˈɪn.dəs/. input is at rank #3,953, tagged as anoun, pronounced /ˈɪnpʊt/.

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 30079, this pair ranks #357,523 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Indus vs input

Shared letters: inu. Private to "Indus": ds. Private to "input": pt.

"Indus" · 5 letters · shape VCCVC  ·  "input" · 5 letters · shape VCCVC

Known mistypes of this pair

  • Indusidnus · inddus · indsu · induss · inndus · inuds · nidus
  • inputinnput · inpput · inptu · inputt · inupt · ipnut · niput

Frequently Asked Questions

Do "Indus" and "input" mean the same thing in a sentence?
No - they are not even the same part of speech. "Indus" is a name and "input" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Indus" vs "input" - which ranks higher?
"input" is the more common of the two: it sits at frequency rank #3,953 in our English list, against #26,126 for "Indus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Indus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "input" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #357,523 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Indus" and "input" also get mixed up with nearby pairs, the highest-scored neighbour is "Indus vs Inoue". 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 #357,523 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