soft - sphe
- soft
- soft annealing
- soft clinker
- soft coal
- soft fine hair
- soft ground
- soft hail
- soft iron
- soft negative
- soft petroleum ointment
- soft pitch
- soft solder
- soft soldering
- soft water
- soften
- softened rubber
- softener
- softening
- softening agent
- softening point
- softening value
- softwood
- softwood lumber / timber
- sogasoid
- soiften(ed) water
- soil
- soil asphalt
- soil binder / matrix / mortar
- soil cement
- soil cementation
- soil coeficient
- soil compaction
- soil creep; soil mechanics
- soil cutting / excavation
- soil embankment
- soil log
- soil loosening
- soil moisture
- soil ondulation / waving
- soil research
