燃

燃烧 ránshāo HSK 4 #3,705

to burn; to combust / to ignite

点燃 diǎnrán HSK 5 #5,543

to ignite; to light; to set on fire / to kindle; to spark (figurative)

燃料 ránliào HSK 4 #5,516

fuel

燃起 ránqǐ #18,149

to ignite / to light / to spark off (hopes, controversy)

自燃 zìrán #16,309

spontaneous combustion / to ignite spontaneously

燃油 rányóu HSK 7 #15,947

fuel oil; fuel

引燃 yǐnrán #22,461

to ignite / to set on fire / to spark (conflict, debate, etc.)

燃烧弹 ránshāodàn #21,466

incendiary bomb / fire bomb / incendiary device

燃气 ránqì HSK 7 #28,557

fuel gas (natural gas, coal gas, methane, etc.)

燃放 ránfàng HSK 7 #31,904

to set off (firecrackers, fireworks); to light