observationvsobservationsWhat's the difference?

Which to use

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

#5,818
“observation” frequency rank
#6,942
“observations” frequency rank
12760
confusion score

Side-by-Side Comparison

Feature observation observations
Definition The act of observing, and the fact of being observed (see observance) plural of observation

Where the spellings diverge

Shared letters are muted; the letters that actually set observation and observations apart are highlighted. They share 11 letters in sequence, which is exactly why the eye skips the difference.

11 ch
observation
12 ch
observations

Spelling & Dictionary Insight

A purely visual mix-up. observation (/ˌɒbzəˈveɪʃn̩/) and observations (/ˌɑbzɚˈveɪʃənz/) 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) - “observation” sits inside “observations”. Our composite confusion score for this pair is 12760, derived from the frequency rank of both members and their visual similarity.

observation is recorded at frequency rank #5,818, classified as anoun, pronounced /ˌɒbzəˈveɪʃn̩/. observations is at rank #6,942, tagged as anoun, pronounced /ˌɑbzɚˈveɪʃənz/.

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 12760, this pair ranks #479,720 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of observation vs observations

Shared letters: abeinorstv. Private to "observation": -. Private to "observations": -.

"observation" · 11 letters · shape VCCVCCVCVVC  ·  "observations" · 12 letters · shape VCCVCCVCVVCC

Known mistypes of this pair

  • observationboservation · obbservation · obesrvation · obseravtion · obserrvation · observaiton · observasion · observatino
  • observationsboservations · obbservations · obesrvations · obseravtions · obserrvations · observaitons · observatinos · observationns

Frequency comparison

observation#5,818
observations#6,942

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "observation" and "observations" be used interchangeably?
No. They are said differently (/ˌɒbzəˈveɪʃn̩/ versus /ˌɑbzɚˈveɪʃənz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "observation" or "observations"?
"observation" is the more common of the two: it sits at frequency rank #5,818 in our English list, against #6,942 for "observations". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering observation vs observations

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 “observation” 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