sicklyvssuckyWhat's the difference?

Which to use

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

#28,018
“sickly” frequency rank
#46,799
“sucky” frequency rank
74817
confusion score

Side-by-Side Comparison

Feature sickly sucky
Definition Frequently ill or in poor health; weakly. Being something which sucks, which is unpleasant or inferior.

Where the spellings diverge

Shared letters are muted; the letters that actually set sickly and sucky apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
sickly
5 ch
sucky

Spelling & Dictionary Insight

A purely visual mix-up. sickly (/ˈsɪkli/) and sucky (/ˈsʌki/) 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 letter(s) in length. Our composite confusion score for this pair is 74817, derived from the frequency rank of both members and their visual similarity.

sickly is recorded at frequency rank #28,018, classified as anadj, pronounced /ˈsɪkli/. sucky is at rank #46,799, tagged as anadj, pronounced /ˈsʌki/.

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 74817, this pair ranks #35,133 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sickly vs sucky

Shared letters: cksy. Private to "sickly": il. Private to "sucky": u.

"sickly" · 6 letters · shape CVCCCV  ·  "sucky" · 5 letters · shape CVCCV

Known mistypes of this pair

  • sicklyisckly · scikly · sicckly · sickkly · sicklly · sicklyy · sickyl · siclky
  • suckyscuky · ssucky · succky · suckky · suckyy · sucyk · sukcy · uscky

Frequency comparison

sickly#28,018
sucky#46,799

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "sickly" and "sucky" be used interchangeably?
No. They are said differently (/ˈsɪkli/ versus /ˈsʌki/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sickly" or "sucky"?
"sickly" is the more common of the two: it sits at frequency rank #28,018 in our English list, against #46,799 for "sucky". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering sickly vs sucky

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 “sickly” 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