ray

moonbeam, sunbeam, sunburst

laser, spotlight

hoot, iota, jot, minim, minimum, modicum, semblance, syllable, tittle, vestige, whit

atom, dot, fleck, flyspeck, grain, granule, molecule, morsel, mote, nubbin, patch, scrap

dash, drop, pinch

part, portion, section

bite, nibble, taste

handful, scattering, smatter, smattering

dose, shot

blaze, burn, fire, flame, gleam, glimmer, glint, glisten, glister, glitter, glow, luminesce, sheen, shimmer

blink, coruscate, flare, flash, flicker, luster (or lustre), scintillate, sparkle, twinkle

beat (down), glare

brighten, illuminate, illumine, irradiate, light, lighten

bedazzle, blind, daze, dazzle

diffuse, dispel, disperse, dissipate

fork, stem

diverge, divide, part, ramify, separate, split, uncouple, unlink, unyoke

scatter, splay, spread