IllusionvsillusionsWhat's the difference?

Which to use

“Illusion” and “illusions” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,202
“Illusion” frequency rank
#10,892
“illusions” frequency rank
17094
confusion score

Side-by-Side Comparison

Feature Illusion illusions
Definition Illusion. Pluriel de illusion.

Where the spellings diverge

Shared letters are muted; the letters that actually set Illusion and illusions apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

8 ch
Illusion
9 ch
illusions

Spelling & Dictionary Insight

A purely visual mix-up. Illusion (\ɪluˈsioːn\) and illusions (\i.ly.zjɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “Illusion” sits inside “illusions”. Our composite confusion score for this pair is 17094, derived from the frequency rank of both members and their visual similarity.

Illusion is recorded at frequency rank #6,202, classified as anoun, pronounced \ɪluˈsioːn\. illusions is at rank #10,892, tagged as anoun, pronounced \i.ly.zjɔ̃\.

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 17094, this pair ranks #384,826 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Illusion vs illusions

Shared letters: ilnosu. Private to "Illusion": -. Private to "illusions": -.

"Illusion" · 8 letters · shape VCCVCVVC  ·  "illusions" · 9 letters · shape VCCVCVVCC

Known mistypes of this pair

  • Illusionillsuion · illuison · illusino · illusionn · illusoin · illussion · ilulsion · ilusion
  • illusionsillsuions · illuisons · illusinos · illusionns · illusionss · illusiosn · illusoins · illussions

Frequency comparison

Illusion#6,202
illusions#10,892

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Illusion" and "illusions" be used interchangeably?
No. They are said differently (\ɪluˈsioːn\ versus \i.ly.zjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Illusion" or "illusions"?
"Illusion" is the more common of the two: it sits at frequency rank #6,202 in our French list, against #10,892 for "illusions". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering Illusion vs illusions

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “Illusion” 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