pit adder

noun

"pit-adder" is a 8-letter English headword indexed on PlainSpell.

The verdict

“pit adder” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of pit viper: any of various venomous snakes of the family Crotalinae, found in Asia and the Americas, with a deep pit or groove on either side of the head which enables them to detect prey...

Corpus desk

Index EN-pit-adder · pit adder · English

pit adder · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

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.

Key facts for pit adder
PropertyValue
Headwordpit adder
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “pit adder” in English

pit adderranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pit adder is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of pit viper: any of various venomous snakes of the family Crotalinae, found in Asia and the Americas, with a deep pit or groove on either side of the head which enables them to detect prey...".

We couldn't generate a plausible misspelling set for pit adder, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From pit + adder. The correct English form is pit adder, spelled P-I-T- -A-D-D-E-R.

Definition

  1. 1
    Synonym of pit viper: any of various venomous snakes of the family Crotalinae, found in Asia and the Americas, with a deep pit or groove on either side of the head which enables them to detect prey by infrared sensing.

Recorded use

Wiktionary examples

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

  1. The two chief poisonous families of the rest of the globe, the vipers (Viperidae) and the pit-adders (Crotalida;), are entirely absent, their place being supplied by the Elapidae, [...]
  2. The venom of some snakes, Rogers says, contains a mixture of the above-mentioned venoms (among such snakes are the Australian colubrines and the American pit-adders).

Etymology

From pit + adder.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "pit adder"?
"pit adder" is spelled P-I-T- -A-D-D-E-R.
What does "pit adder" mean?
As a noun, "pit adder" means: Synonym of pit viper: any of various venomous snakes of the family Crotalinae, found in Asia and the Americas, with a deep pit or groove on either side of the head which enables them to detect prey...
What is the origin of the word "pit adder"?
From pit + adder. See the full etymology section above for more details.
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.

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

Source: FrequencyWords open word-frequency list