clog up

verb

"clog-up" is a 6-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To block something completely and physically.

Corpus desk

Index EN-clog-up · clog up · English

clog up · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" 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 clog up
PropertyValue
Headwordclog up
LanguageEnglish
Part of speechVerb
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “clog up” in English

clog upranks 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

clog up is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To block something completely and physically.".

clog up has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is clog up, spelled C-L-O-G- -U-P.

Definition

  1. 1
    To block something completely and physically.

Recorded use

Wiktionary example

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

  1. The fat that I drained off the meat clogged up the drain.

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 "clog up"?
"clog up" is spelled C-L-O-G- -U-P.
What does "clog up" mean?
As a verb, "clog up" means: To block something completely and physically.
What language does "clog up" come from?
"clog up" 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.

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

Source: FrequencyWords open word-frequency list