呆

dāi foolish; stupid; expressionless; blank; to stay

头

tóu head; hair style; the top; end; beginning or end; a stub; remnant; chief; boss; side; aspect; first; leading; classifier for pigs or livestock; CL:個|个[ge4]

tou suffix for nouns

呆

dāi foolish; stupid; expressionless; blank; to stay

脑

nǎo brain; mind; head; essence