*SET-U

GRAPH-WIDE SEARCH

MEASURE THE GRAPH ↗

NOT JUST A DICTIONARY LOOKUP

6 EVIDENCE COLLECTIONS

SEARCH
THE GRAPH.

Find a modern word—or search sideways through reconstructed roots, historical forms, meanings, languages, scholars, sources, claims, disputes, and witnesses.

WIKTIONARY VIA KAIKKI / WIKTEXTRACT

Imported dictionary evidence

SOURCE-IMPORTED · UNREVIEWED

These are source reports, not reviewed *SET-U ancestry. A list of templates or numbered etymologies is not an ancestor chain. Scholarly disagreements remain in the original source text.

35,981 English word records · 45,491 etymology sections in this online subset

PARTIAL ENGLISH COVERAGE · FULL CORPUS REMAINS LOCAL

No exact match for “Rational” in this partial English subset. That does not mean the full research corpus—or linguistic scholarship—has no record. Check the original dictionary entry ↗

From Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Extraction source · CC-BY-SA-4.0. Selected source text is reformatted for display; language and section identity are retained.

Source dump: 2026-10-01 · Extraction: 2026-10-30. These dates identify a dump snapshot, not an individual page revision.

Snapshot checksums and coverage
SOURCE SHA-256
5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
CORPUS SHA-256
c4c2a77325141846709230e11c2959332acd630d53e52905b72d36211251b081
IMPORT RUN
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
SUBSET SELECTION
English-only: shortest normalized query first, then binary lexical order; complete word-language and case-variant groups only. This is a bounded online subset, not the full acquired corpus.

INDEPENDENT SOURCE LIBRARY

More sources for this spelling

These are spelling matches, not a claim of identical senses or agreement. Historical accounts retain their own editions and limits; none is automatically promoted into reviewed ancestry.

Chambers (1908)

1908
Browse the independently attributed sources →
WIKTIONARY / SOURCE LOOKUPEXTERNAL · COMMUNITY EDITED

Rational

The dictionary could not be reached right now. Open the original dictionary entry ↗

Read the complete entry and references ↗ · Contribute a cited dossier

SEARCH NEEDS THE LIVE GRAPH.

The query “rational” cannot be resolved without D1. No static search results are fabricated.

06

SEARCH IS DISCOVERY, NOT PROOF

EVERY RESULT OPENS A PERMANENT EVIDENCE RECORD.

Matching text only locates a record. It does not raise confidence, settle a dispute, establish cognacy, or turn a source report into direct inspection. Follow the result into its citations and editorial limits.