unobservable
Word Rarity
Very rare
Frequency: Zipf frequency 1.99 in modern English
19
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars
Meaning
Etymology
Etymology tree English un- English observe Proto-Indo-European *-dʰlom Proto-Italic *-ðlom Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English observable English unobservable From un- + observable.