twitch (suomeksi)

hätkähtää (v: to perform a twitch; spasm)
nytkähtää (v: to perform a twitch; spasm)
nykäistä (v: to jerk sharply and briefly)
sätkiä (v)
bongata (v: to spot a bird)
nykäisy (s: brief, small (sometimes involuntary) movement out of place and then back again)
nykäys (s: brief, small (sometimes involuntary) movement out of place and then back again)
nytkähdys (s: brief, small (sometimes involuntary) movement out of place and then back again)
säpsähdys (s: brief, small (sometimes involuntary) movement out of place and then back again)
sätky (s: brief, small (sometimes involuntary) movement out of place and then back again)
bongaus (s: action of bird spotting)