1) Drizzle 2) Rain 3) Rain lightly 4) Rainfall 5) Very light rain 1) Drizzle 2) Rain 
to rain in small drops
• (v. i.) To rain in very fine drops. • (v. i.) To take one`s self off; to go. • (n.) Mist; fine rain.
Miz'zle intransitive verb [ imperfect & past participle Mizzled ; present participle & verbal noun Mizzling .] [ See Misle , and confer Mistle .] 1. To rain in very fine drops. Spenser. 2. To take ...Miz'zle noun Mist; fine rain. 
Mizzle is slang for to go.
[Difficult words] very light rain; stronger than mist but less than a shower[Obscure words] very light rain; stronger than mist but less than a shower