foam up
"foam-up" is a 6-letter English headword indexed on PlainSpell.
The verdict
“foam 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 become foamy, create a foam; to rise with a foamy surface or covered with something resembling foam
Corpus desk
Index EN-foam-up · foam up · English
foam up · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "F" 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.
| Property | Value |
|---|---|
| Headword | foam up |
| Language | English |
| Part of speech | Verb |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “foam up” in English
Rare enough to double-check
foam up is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 3 senses are on record.
No generated misspelling entries exist for foam up in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is foam up, spelled F-O-A-M- -U-P.
Definition
- 1To become foamy, create a foam; to rise with a foamy surface or covered with something resembling foam
- 2To take place, arise, erupt, develop.
- 3To cause to become foamy; to cover with foam.
Recorded use
Wiktionary examplesThese source excerpts show how foam up appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In a chastened mood, Helen returned to her own room and lit her spirit-lamp, in order to re-boil the coffee. She was watching the brown bubbles foam up in the saucepan, when she heard the front-door bell.
[…] valleys deep in a milk-white mist where a continual drip-drip allowed one to hear, rather than see, the enormous soft, and feathery leafage of the tree-ferns as it foamed up from the living fossils of the trunks.
Synonyms
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.