DPO

noun

By · According to Wiktionary data (CC BY-SA) ·

"dpo" is a 3-letter English headword indexed on PlainSpell.

The verdict

“DPO” is an uncommon English word, ranked #78,548 in English word frequency and used as a noun.

#78,548
frequency rank, English
3
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of day(s) post-ovulation.

Key facts for DPO
PropertyValue
HeadwordDPO
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#78,548
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “DPO” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). DPO lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for DPO is 3 letters long, classified as a noun. Corpus data places it at rank #78,548 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Zero misspellings are on record for DPO in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is DPO, spelled D-P-O.

Definition

  1. 1
    Initialism of day(s) post-ovulation.
  2. 2
    Initialism of days payable outstanding.
  3. 3
    Initialism of departure prevention order.
  4. 4
    Initialism of data protection officer.
  5. 5
    Initialism of direct preference optimization.

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 "DPO"?
"DPO" is spelled D-P-O.
What does "DPO" mean?
As a noun, "DPO" means: Initialism of day(s) post-ovulation.
What language does "DPO" come from?
"DPO" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “DPO”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is D-P-O - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list