BCGvsbyWhat's the difference?

Quick tell: BCG is a name, by is a preposition, so they fill different roles in a sentence.

Which to use

“BCG” is a name and “by” is a preposition - they look or sound alike but fill different roles in a sentence.

#44,641
“BCG” frequency rank
#24
“by” frequency rank
44665
confusion score

Side-by-Side Comparison

Feature BCG by
Definition Initialism of Boston Consulting Group, a large US management consulting firm. Near or next to.

Where the spellings diverge

Shared letters are muted; the letters that actually set BCG and by apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
BCG
2 ch
by

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: BCG is aname and byapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44665, derived from the frequency rank of both members and their visual similarity.

BCG is recorded at frequency rank #44,641, classified as aname. by is at rank #24, tagged as aprep, pronounced /baɪ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 44665, this pair ranks #228,441 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of BCG vs by

Shared letters: b. Private to "BCG": cg. Private to "by": y.

"BCG" · 3 letters · shape CCC  ·  "by" · 2 letters · shape CV

Frequency comparison

BCG#44,641
by#24

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "BCG" and "by" be used interchangeably?
No - they are not even the same part of speech. "BCG" is a name and "by" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "BCG" or "by"?
"by" is the more common of the two: it sits at frequency rank #24 in our English list, against #44,641 for "BCG". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering BCG vs by

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “BCG”; for a preposition, it's “by”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “BCG” entry
  • Browse more pairs most likely to be confused. Most confusable

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

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