niggles

"The new phone is great overall, but I have a few minor niggles, like the slightly slippery case and the placement of the power button. "

"The doctor's prescription was nearly unreadable; all I could see were cramped niggles that might be drug names. "

""He likes to niggle his younger brother by pretending to offer help, but then snatching the toy away at the last second." "

"Instead of carefully planning the project, Sarah niggled at it, spending hours on small, unnecessary details. "

"My boss often niggles over the exact wording of emails, even when the message is clear. "

"The child nigglles in his seat when he gets bored during the long car ride. "