planetvsplanetsWhich spelling fits?

Which to use

“planet” and “planets” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,123
“planet” frequency rank
#6,607
“planets” frequency rank
8730
confusion score

Side-by-Side Comparison

Feature planet planets
Definition Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn. plural of planet

Where the eye mixes planet and planets

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
planet
7 ch
planets

Why the eye confuses planet with planets

A purely visual mix-up. planet (/ˈplænɪt/) and planets (/ˈplænɪts/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “planet” sits inside “planets”. Our composite confusion score for this pair is 8730, derived from the frequency rank of both members and their visual similarity.

planet is recorded at frequency rank #2,123, classified as anoun, pronounced /ˈplænɪt/. planets is at rank #6,607, tagged as anoun, pronounced /ˈplænɪts/.

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 8730, this pair ranks #501,019 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of planet vs planets

Shared letters: aelnpt. Private to "planet": -. Private to "planets": s.

"planet" · 6 letters · shape CCVCVC  ·  "planets" · 7 letters · shape CCVCVCC

Known mistypes of this pair

  • planetlpanet · palnet · plaent · planett · plannet · plante · pllanet · plnaet
  • planetslpanets · palnets · plaents · planest · planetss · planetts · plannets · plantes

Frequently Asked Questions

Can "planet" and "planets" be used interchangeably?
No. They are said differently (/ˈplænɪt/ versus /ˈplænɪts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "planet" or "planets" show up more?
"planet" is the more common of the two: it sits at frequency rank #2,123 in our English list, against #6,607 for "planets". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "planet" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "planets" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #501,019 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "planet" and "planets" also get mixed up with nearby pairs, the highest-scored neighbour is "Paget vs planet". 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 #501,019 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