Fleck

There was a fleck of dust on the windshield.

Early in the space shuttle program, during the STS-7 mission, a tiny paint fleck hurtling through space hit a shuttle window, causing so much damage the entire window had to be replaced.

two flecks of Lard cut with your knife

With teeth they smooth their work, as on it slips, And flecks of wool stick to their wither'd lips

A single fleck of wool from his sock got caught on a splintery floorboard and that was enough to convict him.

So fret not, like an idle girl, / That life is dash'd with flecks of sin. / Abide: thy wealth is gathered in, / When Time hath sunder'd shell from pearl.

a fleck of hope

a fleck of imagination

So this was my future home, I thought![…]Backed by towering hills, the but faintly discernible purple line of the French boundary off to the southwest, a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.

It was a perfect June day, with only a few light clouds flecking a pure blue sky.