serological

adj

By · According to Wiktionary data (CC BY-SA) ·

"serological" is a 11-letter English headword indexed on PlainSpell.

The verdict

“serological” is uncommon English (frequency #92,054 among 6,566 “S” headwords), classed as an adjective. The kind of spelling people second-guess.

#92,054
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or pertaining to serology.

Corpus desk

Index EN-serological · serological · English

serological · rank #92,054 · 0 variants · 0 confusables

  • FREQ-RARE #92,054
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH Severa

Nearest frequency peer: Severa (+2 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 “serological”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “serological” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for serological
PropertyValue
Headwordserological
LanguageEnglish
Part of speechAdjective
Letters11
Frequency rank#92,054
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “serological” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).serologicalfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “Severa” (#92,056), “Sedna” (#92,050), “shearwater” (#92,059). Among 6,566 “S” headwords, “serological” is #92,054. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

serological is uncommon English at frequency #92,054 among 6,566 “S” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of or pertaining to serology.".

We couldn't generate a plausible misspelling set for serological, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From serology + -ical. The correct English form is serological, spelled S-E-R-O-L-O-G-I-C-A-L.

Definition

  1. 1
    Of or pertaining to serology.

Etymology

From serology + -ical.

This word in other languages

serológico(Español)sérologique(Français)

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 "serological"?
"serological" is spelled S-E-R-O-L-O-G-I-C-A-L.
What does "serological" mean?
As an adjective, "serological" means: Of or pertaining to serology.
What is the origin of the word "serological"?
From serology + -ical. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "serological", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

sickeningly#92,072spinosaurus#92,100swallowtail#92,129Ravenscroft#91,976

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list