OPD
"opd" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OPD” is uncommon English (frequency #79,819 among 1,431 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #79,819
- frequency rank, English
- 1,431
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Oakland Police Department.
Corpus desk
Index EN-opd · OPD · English
OPD · rank #79,819 · 0 variants · 0 confusables
- FREQ-RARE #79,819
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,431
- PHOTO-FINISH opposable
Nearest frequency peer: opposable (+2 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “OPD”
Sparse band: bars invert rank so rarer forms read shorter
- olay
olay
20,189 corpus weight
- OMC
OMC
20,187 corpus weight
- onomatopoeia
onomatopoeia
20,185 corpus weight
- OPD
OPD
20,182 corpus weight
- opposable
opposable
20,180 corpus weight
- optoelectro…
optoelectronic
20,179 corpus weight
What this shows Long-tail view: where “OPD” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | OPD |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #79,819 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “OPD” in English
Rare enough to double-check
OPD is uncommon English at frequency #79,819 among 1,431 “O” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Initialism of Oakland Police Department.".
Our edit-distance generator produced no likely misspellings for OPD, a straightforward case of a spelling with little room for common typos. 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.
No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is OPD, spelled O-P-D.
Definition
- 1Initialism of Oakland Police Department.
Recorded use
Wiktionary exampleThese source excerpts show how OPD appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
After a few months, when OPD still didn’t have shit to say about Clara’s case, we all started to realize she was gone, that her being gone meant more than her being dead because in this city, it’s just as probable that she was stolen, that she’s out there somewhere walking streets just like I am now.
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
How do you spell "OPD"?
What does "OPD" mean?
What language does "OPD" come from?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "OPD", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).