also spur gear wheel
- stronghearted
- strongheartedness
- stronghold
- strong interaction
- strongish
- strong language
- strongly
- strong man
- strong mayor
- strong-minded
- strong-mindedly
- strong-mindedness
- strongness
- strong nuclear force
- strongpoint
- strong room
- strong safety
- strong sand
- strong side
- strong silver protein
- strong suit
- strong water
- strong-weak
- strong-wool
- strong-woolled