slackervsspacerWhat's the difference?

Which to use

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

#39,568
“slacker” frequency rank
#35,947
“spacer” frequency rank
75515
confusion score

Side-by-Side Comparison

Feature slacker spacer
Definition One who procrastinates or is lazy; one who does not do their fair share or pull their own weight. A person who works or lives in space.

Where the spellings diverge

Shared letters are muted; the letters that actually set slacker and spacer apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

7 ch
slacker
6 ch
spacer

Spelling & Dictionary Insight

A purely visual mix-up. slacker (/ˈslækɚ/) and spacer (/ˈspeɪsɚ/) 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 75515, derived from the frequency rank of both members and their visual similarity.

slacker is recorded at frequency rank #39,568, classified as anoun, pronounced /ˈslækɚ/. spacer is at rank #35,947, tagged as anoun, pronounced /ˈspeɪsɚ/.

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 75515, this pair ranks #32,881 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of slacker vs spacer

Shared letters: acers. Private to "slacker": kl. Private to "spacer": p.

"slacker" · 7 letters · shape CCVCCVC  ·  "spacer" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • slackerlsacker · salcker · slaccker · slacekr · slackerr · slackker · slackre · slakcer
  • spacerpsacer · sapcer · spaccer · spacerr · spacre · spaecr · spcaer · sppacer

Frequency comparison

slacker#39,568
spacer#35,947

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "slacker" and "spacer" be used interchangeably?
No. They are said differently (/ˈslækɚ/ versus /ˈspeɪsɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "slacker" or "spacer"?
"spacer" is the more common of the two: it sits at frequency rank #35,947 in our English list, against #39,568 for "slacker". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering slacker vs spacer

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 “slacker” 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