PTB
"ptb" is a 3-letter English headword indexed on PlainSpell.
The verdict
“PTB” is uncommon English (frequency #78,051 among 4,417 “P” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #78,051
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Proto-Tibeto-Burman
Corpus desk
Index EN-ptb · PTB · English
PTB · rank #78,051 · 0 variants · 0 confusables
- FREQ-RARE #78,051
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH psychodynamic
Nearest frequency peer: psychodynamic (-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 “PTB”
Sparse band: bars invert rank so rarer forms read shorter
- prurient
prurient
21,952 corpus weight
- psychodynam…
psychodynamic
21,951 corpus weight
- PTB
PTB
21,950 corpus weight
- pushchair
pushchair
21,949 corpus weight
- quadrangular
quadrangular
21,948 corpus weight
- qubit
qubit
21,945 corpus weight
What this shows Long-tail view: where “PTB” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | PTB |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #78,051 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “PTB” in English
Rare enough to double-check
PTB is uncommon English at frequency #78,051 among 4,417 “P” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Proto-Tibeto-Burman".
Our edit-distance generator produced no likely misspellings for PTB, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is PTB, spelled P-T-B.
Definition
- 1Proto-Tibeto-Burman
Recorded use
Wiktionary examplesThese source excerpts show how PTB appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
[E]ven reconstructed syllable-initial units, such as his Proto-Tibeto-Burman (PTB) and PLB [Proto-Lolo-Burmese] prefixed spirantal initial *C-s and his PTB and PLB voiceless spirantal initial *s [...] draw on syllable features and syllable-final features for their reflexes
The Lahu verb tā ‛place on; put on; set on; stand sthg. upright’ has impeccable Tibeto-Burman credentials⁹, reflecting PLB *ˀta² (cf. WB thâ) and ultimately PTB *s-ta (cf. WT sta ᛝ stad)
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 "PTB", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).