by God

adv

"by-god" is a 5-letter English headword indexed on PlainSpell.

The verdict

“by God” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Used as an oath to emphasize the veracity of an associated statement.

Corpus desk

Index EN-by-god · by God · English

by God · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" thin
  • PHOTO-UNK Peer pending

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.

Key facts for by God
PropertyValue
Headwordby God
LanguageEnglish
Part of speechAdverb
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “by God” in English

by Godsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

by God is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for by God in our index, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Ellipsis of a full oath of the form "I swear by God that …". The correct English form is by God, spelled B-Y- -G-O-D.

Definition

  1. 1
    Used as an oath to emphasize the veracity of an associated statement.
  2. 2
    Used as an intensifier.

Recorded use

Wiktionary examples

These source excerpts show how by God appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. I should not wonder if you had your orders to-morrow; but you cannot sail with this wind, if you are to cruize to the westward; Captain Walsh thinks you will certainly have a cruize to the westward, with the Elephant. By G⁠—, I wish you may.
  2. With a frown, Rye studies my face. He disengages my arm in order to take my hand in both of his and squeeze it tight. "Why don't you go back and confront him, sweetheart? I'll go with you, by God. I don't like the idea of him bullying you, and he needs to hear that."

Etymology

Ellipsis of a full oath of the form "I swear by God that …".

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "by God"?
"by God" is spelled B-Y- -G-O-D.
What does "by God" mean?
As an adverb, "by God" means: Used as an oath to emphasize the veracity of an associated statement.
What is the origin of the word "by God"?
Ellipsis of a full oath of the form "I swear by God that …". 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.

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

Source: FrequencyWords open word-frequency list