APS
"aps" is a 3-letter English headword indexed on PlainSpell.
The verdict
“APS” sits in 20 confusable pairs (corpus #24,655) as a proper noun. The look-alike neighbours are the real trap.
- #24,655
- frequency rank, English
- 3,931
- “A” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Adult Protective Services (“social services provided to abused, neglected, or exploited older adults and adults with significant disabilities”).
Corpus desk
Index EN-aps · APS · English
APS · rank #24,655 · 0 variants · 20 confusables
- FREQ-MID #24,655
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH Appleton
Nearest frequency peer: Appleton (-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.
Frequency neighbours of confusable “APS”
Peers at similar corpus weight, separate from look-alike pairs below
- amuse
amuse
75,349 corpus weight
- Appleton
Appleton
75,347 corpus weight
- APS
APS
75,346 corpus weight
- aptly
aptly
75,345 corpus weight
- archaeologi…
archaeologist
75,344 corpus weight
- armada
armada
75,343 corpus weight
What this shows Bars place “APS” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | APS |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #24,655 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “APS”
Easy to mix with look-alikes
The spelling risk for APS is neighbouring look-alikes ("as", "at", …), not just typos; it is aproper noun. Frequency #24,655 among 3,931 “A” headwords. 5 recorded senses keep meaning in play.
No generated misspelling entries exist for APS in our index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "as", "at", "aw", and more, where similar look or sound leads writers to substitute one word for another in context.
No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is APS, spelled A-P-S.
Definition
- 1Initialism of Adult Protective Services (“social services provided to abused, neglected, or exploited older adults and adults with significant disabilities”).
- 2Initialism of Advanced Photon Source (“a synchrotron X-ray source at Argonne National Laboratory”).
- 3Initialism of Australian Public Service (“the Australian federal civil service”).
- 4Abbreviation of Army Public Schools and Colleges System.
- 5Abbreviation of Abbottabad Public School.
Recorded use
Wiktionary exampleThese source excerpts show how APS appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Of the 30 known protein structures, 21 were solved at the APS.
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 "APS", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).