compound interest
"compound-interest" is a 16-letter English headword indexed on PlainSpell.
The verdict
“compound interest” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 17
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Interest, as on a loan or a bank account, that is calculated on the total on the principal plus accumulated unpaid interest.
Corpus desk
Index EN-compound-interest · compound interest · English
compound interest · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 17 letters
- VOW-6 6 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.
| Property | Value |
|---|---|
| Headword | compound interest |
| Language | English |
| Part of speech | Noun |
| Letters | 17 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “compound interest” in English
Rare enough to double-check
compound interest is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Interest, as on a loan or a bank account, that is calculated on the total on the principal plus accumulated unpaid interest.".
The misspelling generator found no plausible variants for compound interest, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No documented word history exists for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is compound interest, spelled C-O-M-P-O-U-N-D- -I-N-T-E-R-E-S-T.
Definition
- 1Interest, as on a loan or a bank account, that is calculated on the total on the principal plus accumulated unpaid interest.
Recorded use
Wiktionary examplesThese source excerpts show how compound interest appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
[…] tens of thousands of other foot passengers have been slipping and sliding since the day broke (if this day ever broke), adding new deposits to the crust upon crust of mud, sticking at those points tenaciously to the pavement, and accumulating at compound interest.
Arithmetic books published during the fifteenth and first half of the sixteenth centuries have little to say about interest although the practice of calculating compound interest was old at that time.
This word in other languages
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.