borohydride

noun

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

The verdict

“borohydride” is uncommon English (frequency #97,874 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#97,874
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The anion and very strong reducing agent BH₄⁻.

Key facts for borohydride
PropertyValue
Headwordborohydride
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#97,874
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “borohydride” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). borohydride lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

borohydride is uncommon English at frequency #97,874 among 31,241 “B” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for borohydride, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From boro- + hydride. The correct English form is borohydride, spelled B-O-R-O-H-Y-D-R-I-D-E.

Definition

  1. 1
    The anion and very strong reducing agent BH₄⁻.
  2. 2
    The anion and very strong reducing agent BH₄⁻.

Etymology

From boro- + hydride.

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 "borohydride"?
"borohydride" is spelled B-O-R-O-H-Y-D-R-I-D-E.
What does "borohydride" mean?
As a noun, "borohydride" means: The anion and very strong reducing agent BH₄⁻.
What is the origin of the word "borohydride"?
From boro- + hydride. 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.

Using “borohydride”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-O-R-O-H-Y-D-R-I-D-E - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list