When it comes to finding synonyms for the word "be speckling", there are a number of possible options. Some similar phrases might include "dusting", "sprinkling", "scattering", or "dotting". These terms all describe a similar action of placing small, dispersed marks or specks onto a surface. Another possible synonym for "be speckling" could be "mottling", which implies a more uneven or patchy distribution of the marks. Whether you're describing a painting technique, a surface texture, or the appearance of a natural phenomenon, there are plenty of ways to convey the idea of small, discrete specks or marks with various synonyms for "be speckling".