DDT

noun

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

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

The verdict

“DDT” sits in 20 confusable pairs (corpus #32,758) as a noun. The look-alike neighbours are the real trap.

#32,758
frequency rank, English
3,470
“D” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of dichlorodiphenyltrichloroethane, compound originally developed as an insecticide.

Corpus desk

Index EN-ddt · DDT · English

DDT · rank #32,758 · 0 variants · 20 confusables

  • FREQ-MID #32,758
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH dandelion

Nearest frequency peer: dandelion (-1 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.

Frequency neighbourhood for “DDT”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “DDT” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

DDT vs do
0% similar
DDT vs Dr
33% similar
DDT vs de
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for DDT
PropertyValue
HeadwordDDT
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#32,758
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “DDT” 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).DDTlands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “dandelion” (#32,757), “deafness” (#32,759), “daisies” (#32,756). Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for DDT is neighbouring look-alikes ("do", "Dr", …), not just typos; it is anoun. Frequency #32,758 among 3,470 “D” headwords. Gloss: "Abbreviation of dichlorodiphenyltrichloroethane, compound originally developed as an insecticide.".

We couldn't generate a plausible misspelling set for DDT, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "do", "Dr", "de", and more, where similar look or sound leads writers to substitute one word for another in context.

No borrowing history is documented 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 DDT, spelled D-D-T.

Definition

  1. 1
    Abbreviation of dichlorodiphenyltrichloroethane, compound originally developed as an insecticide.

Recorded use

Wiktionary examples

These source excerpts show how DDT appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. After working briefly for a federal entomologist to control the spruce budworm — and spraying DDT from the air — he returned to the Adirondacks in 1946 to be district ranger at Cranberry Lake for 11 years.
  2. The use of DDT for disinfectation of louse-infested communities is a primary control measure in epidemic situations.

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 "DDT"?
"DDT" is spelled D-D-T.
What does "DDT" mean?
As a noun, "DDT" means: Abbreviation of dichlorodiphenyltrichloroethane, compound originally developed as an insecticide.
What words are commonly confused with "DDT"?
"DDT" is commonly confused with "do", "Dr", "de". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "DDT" come from?
"DDT" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "DDT", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 3 letters (nearest by frequency rank).

CRS#32,751DRM#32,782CME#32,733FSB#32,815

What to do next

You've looked up "DDT". Here's where to go from here.

  • "DDT" maps to 20 confusable pairs in this vintage; the highest-scored is "do". View pair
  • Usage frequency rank #32,758 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "D" letter cohort. D–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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