# biological

> English word · Adjective · IPA /ˌbaɪ.ə(ʊ)ˈlɒd͡ʒ.ɪ.kəl/ · frequency rank #4,212

## Definitions
1. Of or relating to biology.
2. Relating to anatomy; anatomic, anatomical.
3. Related by consanguinity, especially as to parents and children.
4. Organic (grown without agrochemicals).

## Etymology
Etymology tree
Proto-Indo-European *gʷeyh₃-der.
Ancient Greek βίος (bíos)
Proto-Indo-European *leǵ-
Ancient Greek λόγος (lógos)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ῐ́ᾱ (-ĭ́ā)
Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor.
New Latin -logia
New Latin biologialbor.
English biology
English -ical
English biological
From biology + -ical.

## Easily confused with
- **biologically** (https://plainspell.com/en/vs/biological-vs-biologically)
- **biologic** (https://plainspell.com/en/vs/biologic-vs-biological)

## Common misspellings (14)
`bbiological`, `biloogical`, `biolgoical`, `biollogical`, `biologcial`, `biologgical`, `biologiacl`, `biologicall`, `biologiccal`, `biologicla`, `bioloigcal`, `bioolgical`, `boilogical`, `ibological`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/biological