assiduously
"assiduously" is a 11-letter English headword indexed on PlainSpell.
The verdict
“assiduously” is uncommon English (frequency #56,592 among 3,931 “A” headwords), classed as an adverb. The kind of spelling people second-guess.
- #56,592
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In an assiduous manner; diligently, industriously.
Corpus desk
Index EN-assiduously · assiduously · English
assiduously · rank #56,592 · 0 variants · 0 confusables
- FREQ-RARE #56,592
- LEN-MEGA 11 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH Ashfield
Nearest frequency peer: Ashfield (-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 “assiduously”
Sparse band: bars invert rank so rarer forms read shorter
- ardently
ardently
43,414 corpus weight
- arrogantly
arrogantly
43,411 corpus weight
- Ashfield
Ashfield
43,410 corpus weight
- assiduously
assiduously
43,409 corpus weight
- astronautics
astronautics
43,408 corpus weight
- ASW
ASW
43,406 corpus weight
What this shows Long-tail view: where “assiduously” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | assiduously |
| Language | English |
| Part of speech | Adverb |
| Letters | 11 |
| Frequency rank | #56,592 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “assiduously” in English
Rare enough to double-check
assiduously is uncommon English at frequency #56,592 among 3,931 “A” headwords, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In an assiduous manner; diligently, industriously.".
The misspelling generator found no plausible variants for assiduously, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From assiduous + -ly. The correct English form is assiduously, spelled A-S-S-I-D-U-O-U-S-L-Y.
Definition
- 1In an assiduous manner; diligently, industriously.
Recorded use
Wiktionary examplesThese source excerpts show how assiduously appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
He who had appeared rather assiduously to shun her, whose good opinion she had valued, notwithstanding his seeming indifference to her, had now declared himself, and given proofs of a regard the most unequivocal.
They were all too assiduously engaged to talk to us as we passed.
Etymology
From assiduous + -ly.
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); 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
How do you spell "assiduously"?
What does "assiduously" mean?
What is the origin of the word "assiduously"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "assiduously", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).