testingvstossingWhich spelling fits?

Quick tell: testing is a adjective, tossing is a noun, so they fill different roles in a sentence.

Which to use

“testing” is an adjective and “tossing” is a noun - they look or sound alike but fill different roles in a sentence.

#2,184
“testing” frequency rank
#17,508
“tossing” frequency rank
19692
confusion score

Side-by-Side Comparison

Feature testing tossing
Definition Difficult; tough. The motion of something that tosses; a throwing or sudden rising and falling.

Letter map: testing vs tossing

Shared letters muted; letters that set testing and tossing apart highlighted. Shared run: 5.

7 ch
testing
7 ch
tossing

Grammar separator: testing vs tossing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: testing is anadjective and tossinganoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 19692, derived from the frequency rank of both members and their visual similarity.

testing is recorded at frequency rank #2,184, classified as anadj, pronounced /ˈtɛs.tɪŋ/. tossing is at rank #17,508, tagged as anoun.

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 19692, this pair ranks #436,388 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of testing vs tossing

Shared letters: ginst. Private to "testing": e. Private to "tossing": o.

"testing" · 7 letters · shape CVCCVCC  ·  "tossing" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • testingetsting · tesitng · tessting · testign · testingg · testinng · testnig · testting
  • tossingotssing · tosing · tosisng · tossign · tossingg · tossinng · tossnig · tsosing

Frequently Asked Questions

Can "testing" and "tossing" be used interchangeably?
No - they are not even the same part of speech. "testing" is an adjective and "tossing" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "testing" or "tossing"?
"testing" is the more common of the two: it sits at frequency rank #2,184 in our English list, against #17,508 for "tossing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "testing" and "tossing". Here's where to go from here.

  • Full dictionary entry for "testing" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tossing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #436,388 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "testing" and "tossing" also get mixed up with nearby pairs, the highest-scored neighbour is "toiling vs tossing". 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 #436,388 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