1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Etymology Explore the origin of the 'core words'.
Wordsense Learn about the wordsenses of the english term.

TOPIK 11000 KOREAN WORDS

HSK 3.0 11000 CHINESE WORDS

ENGLISH 6000 THEME WORDS
Das Gestein: ruby hồng ngọc

OXFORD 5000 CORE WORDS

TANAKA 6000 CORE WORDS

hồng bảo ruby
hồng ngọc ruby
ru bi ruby
[ ru ] : to lull, rock (a baby)
[ bi ] : (1) tombstone, slab, stele; (2) marble (toy), pellet; (3) sad, sorrowful

L098 đá rubi der Rubin ruby