iPSC
"ipsc" is a 4-letter English headword indexed on PlainSpell.
The verdict
“iPSC” is uncommon English (frequency #92,735 among 2,140 “I” headwords), classed as a noun. The kind of spelling people second-guess.
- #92,735
- frequency rank, English
- 2,140
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of induced pluripotent stem cell.
Corpus desk
Index EN-ipsc · iPSC · English
iPSC · rank #92,735 · 0 variants · 0 confusables
- FREQ-RARE #92,735
- LEN-MID 4 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH ipsilateral
Nearest frequency peer: ipsilateral (+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.
Long-tail ranks near “iPSC”
Sparse band: bars invert rank so rarer forms read shorter
- insurable
insurable
7,270 corpus weight
- interlibrary
interlibrary
7,269 corpus weight
- iPSC
iPSC
7,266 corpus weight
- ipsilateral
ipsilateral
7,265 corpus weight
- isotonic
isotonic
7,263 corpus weight
- Itzhak
Itzhak
7,262 corpus weight
What this shows Long-tail view: where “iPSC” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | iPSC |
| Language | English |
| Part of speech | Noun |
| Letters | 4 |
| Frequency rank | #92,735 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “iPSC” in English
Rare enough to double-check
iPSC is uncommon English at frequency #92,735 among 2,140 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Initialism of induced pluripotent stem cell.".
The misspelling generator found no plausible variants for iPSC, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Our source data has no etymology on file for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is iPSC, spelled I-P-S-C.
Definition
- 1Initialism of induced pluripotent stem cell.
Recorded use
Wiktionary examplesThese source excerpts show how iPSC appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The fact that only a small fraction of cells infected with the reprogramming factors form iPSC colonies indicates that direct reprogramming is a stochastic process.
One of the most promising routes in this regard is the generation of induced pluripotent stem cells (iPSC) by reprogramming cells.
Synonyms
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "iPSC", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).