niggle
1. [ verb ] worry unnecessarily or excessively
Synonyms: fuss fret
Examples:

"don't fuss too much over the grandchildren--they are quite big now"

Related terms: worry scruple dither fret
2. [ verb ] argue over petty things
Synonyms: bicker pettifog squabble brabble quibble
Examples:

"Let's not quibble over pennies"

Related terms: argue bicker carper quibbler
Similar spelling:   Nigel
  Nikole
  Nicole
  Nicley
  Nickle
  Nissley
  nigella
  Nicolle
  Nickole
  Nichole
  Noggle
  Nicol