posthumousvsposthumouslyWhat's the difference?

Quick tell: posthumous is a adjective, posthumously is an adverb, so they fill different roles in a sentence.

Which to use

“posthumous” is an adjective and “posthumously” is an adverb - they look or sound alike but fill different roles in a sentence.

#30,184
“posthumous” frequency rank
#34,229
“posthumously” frequency rank
64413
confusion score

Side-by-Side Comparison

Feature posthumous posthumously
Definition After the death of someone. After death.

Where the spellings diverge

Shared letters are muted; the letters that actually set posthumous and posthumously apart are highlighted. They share 10 letters in sequence, which is exactly why the eye skips the difference.

10 ch
posthumous
12 ch
posthumously

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: posthumous is anadjective and posthumouslyanadverb. On the page they differ by 2 extra letter(s) - “posthumous” sits inside “posthumously”. Our composite confusion score for this pair is 64413, derived from the frequency rank of both members and their visual similarity.

posthumous is recorded at frequency rank #30,184, classified as anadj, pronounced /ˈpɒs.t͡ʃʊ.məs/. posthumously is at rank #34,229, tagged as anadv.

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 64413, this pair ranks #77,839 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of posthumous vs posthumously

Shared letters: hmopstu. Private to "posthumous": -. Private to "posthumously": ly.

"posthumous" · 10 letters · shape CVCCCVCVVC  ·  "posthumously" · 12 letters · shape CVCCCVCVVCCV

Known mistypes of this pair

  • posthumousopsthumous · poshtumous · possthumous · posthhumous · posthmuous · posthummous · posthumosu · posthumouss
  • posthumouslyopsthumously · poshtumously · possthumously · posthhumously · posthmuously · posthummously · posthumosuly · posthumoulsy

Frequency comparison

posthumous#30,184
posthumously#34,229

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "posthumous" and "posthumously" be used interchangeably?
No - they are not even the same part of speech. "posthumous" is an adjective and "posthumously" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "posthumous" or "posthumously"?
"posthumous" is the more common of the two: it sits at frequency rank #30,184 in our English list, against #34,229 for "posthumously". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering posthumous vs posthumously

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “posthumous”; for an adverb, it's “posthumously”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “posthumous” 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 FrequencyWords open word-frequency list