liao2
to burn; to set afire

liao3
to singe

strokes 16
radical
strokes after radical 12
火烧火燎 火燒火燎 huo3 shao1 huo3 liao2
restless with anxiety; unbearably hot and anxious

燎泡 燎泡 liao2 pao4
blister (caused by burns)

燎原 燎原 liao2 yuan2
to start a prairie fire

心急火燎 心急火燎 xin1 ji2 huo3 liao3
to burn with anxiety

星星之火,可以燎原 星星之火,可以燎原 xing1 xing5 zhi1 huo3 - ke3 yi3 liao2 yuan2
a single spark can start a huge blaze (idiom); an insignificant cause can have a massive effect

烟熏火燎 煙燻火燎 yan1 xun1 huo3 liao3
smoke and baking fire (idiom); surrounded by flames and smoke