Following are all the mainshaft like words, in the list below.
COUNTERSHAFT
100% like mainshaft
LAYSHAFT
100% like mainshaft
TAILSHAFT
99.99% like mainshaft
PROPSHAFT
99.99% like mainshaft
CIRCLIP
99.98% like mainshaft
SPRAG
99.98% like mainshaft
BUSHING
99.98% like mainshaft
GEARSET
99.97% like mainshaft
CRANKSHAFT
99.97% like mainshaft
DRIVESHAFT
99.96% like mainshaft
GEARBOX
99.96% like mainshaft
SPLINED
99.96% like mainshaft
PINION
99.95% like mainshaft
GEARWHEEL
99.95% like mainshaft
CRANKPIN
99.94% like mainshaft
HALFSHAFT
99.94% like mainshaft
JACKSHAFT
99.94% like mainshaft
SHAFT
99.93% like mainshaft
FLEXPLATE
99.93% like mainshaft
BELLCRANK
99.92% like mainshaft
SPROCKET
99.92% like mainshaft
SPLINES
99.92% like mainshaft
FORESHAFT
99.91% like mainshaft
CONROD
99.91% like mainshaft
SPRAGS
99.9% like mainshaft
CIRCLIPS
99.9% like mainshaft
AXLE
99.9% like mainshaft
BELLHOUSING
99.89% like mainshaft
HYPOID
99.89% like mainshaft
KEYWAY
99.88% like mainshaft
GEARS
99.88% like mainshaft
FLYWHEEL
99.88% like mainshaft
CAPSCREWS
99.87% like mainshaft
TRUNNION
99.87% like mainshaft
TRANSAXLE
99.86% like mainshaft
CRANKPINS
99.86% like mainshaft
CAMSHAFT
99.86% like mainshaft
GEARWHEELS
99.85% like mainshaft
SWASHPLATE
99.85% like mainshaft
GEARINGS
99.84% like mainshaft
DRIVESHAFTS
99.84% like mainshaft
LEADSCREW
99.84% like mainshaft
SPLINE
99.83% like mainshaft
SYNCHROMESH
99.83% like mainshaft
GEARCASE
99.82% like mainshaft
SHEAVE
99.82% like mainshaft
GEARSETS
99.82% like mainshaft
PULLEY
99.81% like mainshaft
LOCKNUT
99.81% like mainshaft
BEARINGS
99.8% like mainshaft
ROTOR
99.8% like mainshaft
IMPELLOR
99.8% like mainshaft
BEDPLATE
99.79% like mainshaft
JACKSCREW
99.79% like mainshaft
TRUNION
99.78% like mainshaft
SETSCREW
99.78% like mainshaft
ENDPLAY
99.78% like mainshaft
SLIDEWAY
99.77% like mainshaft
FLANGE
99.77% like mainshaft
UNDERDRIVE
99.76% like mainshaft
BUSHINGS
99.76% like mainshaft
FREEWHEEL
99.76% like mainshaft
TRUNNIONS
99.75% like mainshaft
SLIDEWAYS
99.75% like mainshaft
ZERK
99.74% like mainshaft
EPICYCLIC
99.74% like mainshaft
SHAFTS
99.74% like mainshaft
LOCKRING
99.73% like mainshaft
GEARBOXES
99.73% like mainshaft
PISTON
99.72% like mainshaft
TENSIONER
99.72% like mainshaft
TRANNY
99.72% like mainshaft
DRIVING SHAFT
99.71% like mainshaft
PROP SHAFT
99.71% like mainshaft
STATOR
99.7% like mainshaft
REVERSING SHAFT
99.7% like mainshaft
PROPELLER SHAFT
99.7% like mainshaft
HALF SHAFT
99.69% like mainshaft
ROCK SHAFT
99.69% like mainshaft
CARDAN SHAFT
99.68% like mainshaft
LINE SHAFT
99.68% like mainshaft
SHAFTING
99.68% like mainshaft
FORETEAM
99.67% like mainshaft
JOURNAL
99.67% like mainshaft
POWERHEAD
99.66% like mainshaft
MOTOR PULLEY
99.66% like mainshaft
GEARMOTOR
99.66% like mainshaft
GALLOWS
99.65% like mainshaft
LIFTSHAFT
99.65% like mainshaft
POWER TAKE-OFF
99.64% like mainshaft
BODYSHELL
99.64% like mainshaft
JACKING GEAR
99.64% like mainshaft
SPINDLE
99.63% like mainshaft
STEERING HEAD
99.63% like mainshaft
DRIVELINE
99.62% like mainshaft
MAINSPRING
99.62% like mainshaft
CRANKCASE
99.62% like mainshaft
WINDING ENGINE
99.61% like mainshaft
MAIN WHEEL
99.61% like mainshaft
LINEAR MOTOR
99.6% like mainshaft