PDX
"pdx" is a 3-letter English headword indexed on PlainSpell.
The verdict
“PDX” is uncommon English (frequency #54,385 among 46,516 “P” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #54,385
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Portland, Oregon.
| Property | Value |
|---|---|
| Headword | PDX |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #54,385 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “PDX” sits in English frequency
Rare enough to double-check
PDX is uncommon English at frequency #54,385 among 46,516 “P” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 2 senses are on record.
No misspelling variants are generated for PDX in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Portland International Airport’s IATA airport code PDX, by extension. The correct English form is PDX, spelled P-D-X.
Definition
- 1Portland, Oregon.
- 2Abbreviation of Paradox Interactive.
Etymology
From Portland International Airport’s IATA airport code PDX, by extension.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “PDX”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-D-X - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.