planetvsplannedWhich spelling fits?

Quick tell: planet is a noun, planned is a verb, so they fill different roles in a sentence.

Which to use

“planet” is a noun and “planned” is a verb - they look or sound alike but fill different roles in a sentence.

#2,123
“planet” frequency rank
#2,085
“planned” frequency rank
4208
confusion score

Side-by-Side Comparison

Feature planet planned
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. simple past and past participle of plan

Where the eye mixes planet and planned

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
planet
7 ch
planned

Visual trap between planet and planned

These two trip readers on the page rather than in the ear: planet is /ˈplænɪt/ while planned is /plænd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 4208, 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/. planned is at rank #2,085, tagged as averb, pronounced /plænd/.

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 4208, this pair ranks #519,654 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of planet vs planned

Shared letters: aelnp. Private to "planet": t. Private to "planned": d.

"planet" · 6 letters · shape CCVCVC  ·  "planned" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • planetlpanet · palnet · plaent · planett · plannet · plante · pllanet · plnaet
  • plannedlpanned · palnned · planed · planend · plannde · plannedd · pllanned · plnaned

Frequently Asked Questions

Can "planet" and "planned" be used interchangeably?
No - they are not even the same part of speech. "planet" is a noun and "planned" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "planet" or "planned"?
"planned" is the more common of the two: it sits at frequency rank #2,085 in our English list, against #2,123 for "planet". 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 "planet" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "planned" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #519,654 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "planet" and "planned" 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 #519,654 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