AlgervsasterWhat's the difference?

Quick tell: Alger is a name, aster is a noun, so they fill different roles in a sentence.

Which to use

“Alger” is a name and “aster” is a noun - they look or sound alike but fill different roles in a sentence.

#45,778
“Alger” frequency rank
#36,438
“aster” frequency rank
82216
confusion score

Side-by-Side Comparison

Feature Alger aster
Definition A male given name from the Germanic languages, variant of Elgar. Any of several plants of the genus Aster; one of its flowers.

Letter map: Alger vs aster

Shared letters muted; letters that set Alger and aster apart highlighted. Shared run: 3.

5 ch
Alger
5 ch
aster

Role in the sentence - Alger and aster

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Alger is aname and asteranoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 82216, derived from the frequency rank of both members and their visual similarity.

Alger is recorded at frequency rank #45,778, classified as aname. aster is at rank #36,438, tagged as anoun, pronounced /ˈæs.tə(ɹ)/.

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 82216, this pair ranks #16,150 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Alger vs aster

Shared letters: aer. Private to "Alger": gl. Private to "aster": st.

"Alger" · 5 letters · shape VCCVC  ·  "aster" · 5 letters · shape VCCVC

Known mistypes of this pair

  • Algeragler · alegr · algerr · algger · algre · allger
  • asterasetr · asster · asterr · astre · astter · sater

Frequently Asked Questions

Is swapping "Alger" for "aster" ever safe?
No - they are not even the same part of speech. "Alger" is a name and "aster" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Alger" or "aster" show up more?
"aster" is the more common of the two: it sits at frequency rank #36,438 in our English list, against #45,778 for "Alger". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "Alger" vs "aster" is on the table, pick a follow-up below.

  • Full dictionary entry for "Alger" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #16,150 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Alger" and "aster" also get mixed up with nearby pairs, the highest-scored neighbour is "Alger vs algo". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #16,150 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list