ASCIIvsASICWhat's the difference?

Quick tell: ASCII is a name, ASIC is a noun, so they fill different roles in a sentence.

By · Compiled from Wiktionary via kaikki.org ·

Which to use

“ASCII” is a name and “ASIC” is a noun - they look or sound alike but fill different roles in a sentence.

#31,860
“ASCII” frequency rank
#34,383
“ASIC” frequency rank
66243
confusion score

Side-by-Side Comparison

Feature ASCII ASIC
Definition Acronym of American Standard Code for Information Interchange. Acronym of application-specific integrated circuit.

Where the spellings diverge

Shared letters are muted; the letters that actually set ASCII and ASIC apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
ASCII
4 ch
ASIC

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: ASCII is /ˈæski/ while ASIC is /ˈeɪ.sɪk/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 66243, derived from the frequency rank of both members and their visual similarity.

ASCII is recorded at frequency rank #31,860, classified as aname, pronounced /ˈæski/. ASIC is at rank #34,383, tagged as anoun, pronounced /ˈeɪ.sɪk/.

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 66243, this pair ranks #68,902 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of ASCII vs ASIC

Shared letters: acis. Private to "ASCII": -. Private to "ASIC": -.

"ASCII" · 5 letters · shape VCCVV  ·  "ASIC" · 4 letters · shape VCVC

Known mistypes of this pair

  • ASCII ← acsii · asccii · asci · asici · asscii · sacii
  • ASIC ← aisc · asicc · assic · saic

Frequency comparison

ASCII#31,860
ASIC#34,383

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ASCII" and "ASIC" be used interchangeably?
No - they are not even the same part of speech. "ASCII" is a name and "ASIC" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ASCII" or "ASIC"?
"ASCII" is the more common of the two: it sits at frequency rank #31,860 in our English list, against #34,383 for "ASIC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering ASCII vs ASIC

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “ASCII”; for a noun, it's “ASIC”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “ASCII” 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