红

红绿灯

hóng lǜ dēng

traffic light

红娘

hóng niáng

matchmaker

粉红

fěn hóng

pink

红枣

hóng zǎo

jujube

红肿

hóng zhǒng

inflamed

东方红

dōng fāng hóng

The East is Red, north Shaanxi folk song

面红耳赤

miàn hóng ěr chì

flushed with anger (or excitement)

红血球

hóng xuè qiú

erythrocyte

红木

hóng mù

red wood

网红

wǎng hóng

(attributive) popular on the Internet

红学

hóng xué

"Redology", academic field devoted to the study of A Dream of Red Mansions

红场

hóng chǎng

Red Square (in Moscow)