spar (_beam_), spar (_mineral_), spar (_to box_).
salter (_who salts_), psalter.
source, sauce.
spell (_incantation_), spell (_letters_), spell (_turn of work_).
spill (_upset_), spill (_match_).
spit (_v._), spit (_roasting_), spit (_of land_).
spray (_drizzle_), spray (_= sprig_).
spruce (_tree_), spruce (_adj._)
style, stile.
stud (_nail_), stud (_of horses_).
stake (_post_), steak, stake (_deposit_).
step, steppe.
stair, stare.
stern (_adj._), stern (_of ship_).
steal, steel, stele.
steep (_adj._), steep (_v._).
steer (_direct_), steer (_young ox_).
still (_tranquil_), still (_distil_).
stalk (_stem_), stalk (_v._), stork.
story, storey.
strand (_shore_), strand (_fibre_).
strain (_v. and s._), strain (_a breed_).
strait (_narrow_), straight (_upright_).
stroke (_a blow_), stroke (_fondle_).
stoup, stoop.
shed (_scatter_), shed (_shelter_).
tart (_adj._), tart (_a pie_).
tyre (_of wheel_), tire (_fatigue_), tire (_attire_), + tier (_who
ties_).
time, thyme.