Synonyms For "Fussing" :

1 syllable:

flap, fret, spat, stir, tiff

2 syllables:

ado, bicker, bother, bustle, dither, flurry, hassle, hustle, mother, niggle, pother, squabble, tizzy, trouble

3 syllables:

bickering

4 syllables:

overprotect

5 syllables:

pettifoggery