loopyvslousyWhat's the difference?

Which to use

“loopy” and “lousy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#43,243
“loopy” frequency rank
#19,383
“lousy” frequency rank
62626
confusion score

Side-by-Side Comparison

Feature loopy lousy
Definition Having loops. Remarkably bad; of poor quality.

Where the spellings diverge

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

5 ch
loopy
5 ch
lousy

Spelling & Dictionary Insight

A purely visual mix-up. loopy (/ˈluː.pi/) and lousy (/ˈlaʊ.zi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 62626, derived from the frequency rank of both members and their visual similarity.

loopy is recorded at frequency rank #43,243, classified as anadj, pronounced /ˈluː.pi/. lousy is at rank #19,383, tagged as anadj, pronounced /ˈlaʊ.zi/.

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 62626, this pair ranks #87,445 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of loopy vs lousy

Shared letters: loy. Private to "loopy": p. Private to "lousy": su.

"loopy" · 5 letters · shape CVVCV  ·  "lousy" · 5 letters · shape CVVCV

Known mistypes of this pair

  • loopylloopy · looppy · loopyy · looyp · lopoy · lopy · olopy
  • lousyllousy · losuy · loussy · lousyy · louys · luosy · olusy

Frequency comparison

loopy#43,243
lousy#19,383

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "loopy" and "lousy" be used interchangeably?
No. They are said differently (/ˈluː.pi/ versus /ˈlaʊ.zi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "loopy" or "lousy"?
"lousy" is the more common of the two: it sits at frequency rank #19,383 in our English list, against #43,243 for "loopy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering loopy vs lousy

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 “loopy” 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