placardvsplacidWhat's the difference?

Quick tell: placard is a noun, placid is an adjective, so they fill different roles in a sentence.

Which to use

“placard” is a noun and “placid” is an adjective - they look or sound alike but fill different roles in a sentence.

#41,311
“placard” frequency rank
#28,671
“placid” frequency rank
69982
confusion score

Side-by-Side Comparison

Feature placard placid
Definition A sheet of paper or cardboard with a written or printed announcement on one side for display in a public place. calm and quiet; peaceful; tranquil

Where the spellings diverge

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

7 ch
placard
6 ch
placid

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: placard is /ˈplæk.ɑːd/ while placid is /ˈplæs.ɪd/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 69982, derived from the frequency rank of both members and their visual similarity.

placard is recorded at frequency rank #41,311, classified as anoun, pronounced /ˈplæk.ɑːd/. placid is at rank #28,671, tagged as anadj, pronounced /ˈplæs.ɪd/.

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 69982, this pair ranks #52,379 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of placard vs placid

Shared letters: acdlp. Private to "placard": r. Private to "placid": i.

"placard" · 7 letters · shape CCVCVCC  ·  "placid" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • placardlpacard · palcard · plaacrd · placadr · placardd · placarrd · placcard · placrad
  • placidlpacid · palcid · placcid · placdi · placidd · plaicd · plcaid · pllacid

Frequency comparison

placard#41,311
placid#28,671

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "placard" and "placid" be used interchangeably?
No - they are not even the same part of speech. "placard" is a noun and "placid" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "placard" or "placid"?
"placid" is the more common of the two: it sits at frequency rank #28,671 in our English list, against #41,311 for "placard". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering placard vs placid

The fastest way to pick the right one every time.

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