TulsavstulsiWhich spelling fits?

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

Which to use

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

#15,537
“Tulsa” frequency rank
#44,540
“tulsi” frequency rank
60077
confusion score

Side-by-Side Comparison

Feature Tulsa tulsi
Definition A large city, the county seat of Tulsa County, Oklahoma, United States; the second largest city in the state. Holy basil, Ocimum tenuiflorum.

Where the eye mixes Tulsa and tulsi

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

5 ch
Tulsa
5 ch
tulsi

Look-alike desk: Tulsa vs tulsi

These two trip readers on the page rather than in the ear: Tulsa is /ˈtʌlsə/ while tulsi is /ˈtʊlsiː/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “Tulsa” becomes i in “tulsi”, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 60077, derived from the frequency rank of both members and their visual similarity.

Tulsa is recorded at frequency rank #15,537, classified as aname, pronounced /ˈtʌlsə/. tulsi is at rank #44,540, tagged as anoun, pronounced /ˈtʊlsiː/.

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 60077, this pair ranks #102,321 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Tulsa vs tulsi

Shared letters: lstu. Private to "Tulsa": a. Private to "tulsi": i.

"Tulsa" · 5 letters · shape CVCCV  ·  "tulsi" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Tulsatlusa · ttulsa · tulas · tullsa · tulssa · tusla · utlsa
  • tulsitlusi · ttulsi · tulis · tullsi · tulssi · tusli · utlsi

Frequently Asked Questions

Do "Tulsa" and "tulsi" mean the same thing in a sentence?
No - they are not even the same part of speech. "Tulsa" is a name and "tulsi" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Tulsa" or "tulsi"?
"Tulsa" is the more common of the two: it sits at frequency rank #15,537 in our English list, against #44,540 for "tulsi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Tulsa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tulsi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #102,321 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Tulsa" and "tulsi" also get mixed up with nearby pairs, the highest-scored neighbour is "tulsi vs Tutsi". 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 #102,321 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