Plane

plano

(of a surface: flat or level.)

avión

(airplane)

cepillo

(a tool)

plano

(level or flat surface)

plano

(geometry: flat surface extending infinitely in all directions)

plátano

(deciduous tree)

cepillar

(to smooth with a plane)

dolar

(to smooth with a plane)

planear

(to move in a way that lifts the bow of a boat out of the water)

planear

(to glide)