Latin
ratio
‘reason, reasoning, explanation, ground, motive, rationality, rationale, purpose’
Every word has its own definition in its root. These English words share one: Latin ratio.
18 English words in this record descend from Latin ratio, most familiar first.
- reason ← resoun ← raisun
- reasonable ← resonable ← resnable ← ratiōnābilis
- ratio
- rational ← rationel ← rationalis
- ration
- rationality ← rationalité ← rationalitas ← rationalis
- rationalize ← rationaliser ← rationnel ← ratiōnālis
- rationalization ← rationalisation ← rationaliser ← rationnel ← ratiōnālis
- rationalisation ← rationaliser ← rationnel ← ratiōnālis
- rationalise ← rationaliser ← rationnel ← ratiōnālis
- arraign ← areynen ← areiner ← araisnier ← reson
- ratiocinate ← ratiōcinor
More words from ratio
From Wiktionary, by Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); adapted. License.
Etymograph / Latin ratio