goodvsGPOWhich spelling fits?

Quick tell: good is a adjective, GPO is a name, so they fill different roles in a sentence.

Which to use

“good” is an adjective and “GPO” is a name - they look or sound alike but fill different roles in a sentence.

#78
“good” frequency rank
#47,075
“GPO” frequency rank
47153
confusion score

Side-by-Side Comparison

Feature good GPO
Definition Of a person or an animal: Initialism of General Post Office.

Letter map: good vs GPO

Shared letters muted; letters that set good and GPO apart highlighted. Shared run: 2. good runs 4 letters (CVVC) against GPO's 3 (CCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
good
3 ch
GPO

Part-of-speech tell for good / GPO

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: good is anadjective and GPOaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47153, derived from the frequency rank of both members and their visual similarity.

good is recorded at frequency rank #78, classified as anadj, pronounced /ɡʊd/. GPO is at rank #47,075, tagged as aname.

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 47153, this pair ranks #205,099 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of good vs GPO

Shared letters: go. Private to "good": d. Private to "GPO": p.

"good" · 4 letters · shape CVVC  ·  "GPO" · 3 letters · shape CCV

Known mistypes of this pair

  • good ← ggood · godo · goodd · ogod

Frequently Asked Questions

Can "good" and "GPO" be used interchangeably?
No - they are not even the same part of speech. "good" is an adjective and "GPO" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "good" or "GPO"?
"good" is the more common of the two: it sits at frequency rank #78 in our English list, against #47,075 for "GPO". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "good" and "GPO".

  • Full dictionary entry for "good" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "GPO" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #205,099 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "good" and "GPO" also get mixed up with nearby pairs, the highest-scored neighbour is "gib vs GPO". 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 #205,099 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