I'llvsinclWhat's the difference?

Quick tell: I'll is a contraction, incl is a preposition, so they fill different roles in a sentence.

Which to use

“I'll” is a contraction and “incl” is a preposition - they look or sound alike but fill different roles in a sentence.

#356
“I'll” frequency rank
#21,828
“incl” frequency rank
22184
confusion score

Side-by-Side Comparison

Feature I'll incl
Definition I will. Abbreviation of including.

Where the spellings diverge

Shared letters are muted; the letters that actually set I'll and incl apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
I'll
4 ch
incl

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: I'll is acontraction and inclapreposition. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 22184, derived from the frequency rank of both members and their visual similarity.

I'll is recorded at frequency rank #356, classified as acontraction, pronounced /aɪ̯l/. incl is at rank #21,828, tagged as aprep.

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 22184, this pair ranks #418,427 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of I'll vs incl

Shared letters: il. Private to "I'll": -. Private to "incl": cn.

"I'll" · 3 letters · shape VCC  ·  "incl" · 4 letters · shape VCCC

Known mistypes of this pair

  • inclicnl · inccl · incll · inlc · inncl · nicl

Frequency comparison

I'll#356
incl#21,828

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "I'll" and "incl" be used interchangeably?
No - they are not even the same part of speech. "I'll" is a contraction and "incl" a preposition, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "I'll" or "incl"?
"I'll" is the more common of the two: it sits at frequency rank #356 in our English list, against #21,828 for "incl". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering I'll vs incl

The fastest way to pick the right one every time.

  • Check the role first: if you need a contraction, it's “I'll”; for a preposition, it's “incl”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “I'll” 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