Here are some:
sinecure
business
queasiness
greasiness
sine nomina
Sine and cosine
'without an end' or 'by ourselves'
scene, sin, nice, niece, nieces, and sine
sine 810 = sine 90 = 1
Sine(A+ B) = Sine(A)*Cosine(B) + Cosine(A)*Sine(B).
Sine 3.3 degrees is about 0.057564. Sine 3.3 radians is about -0.157746. Sine 3.3 grads is about 0.051813.
Sine does not converge but oscillates. As a result sine does not tend to a limit as its argument tends to infinity. So sine(infinity) is not defined.
"No Guts, No Glory" means "Nihil Gloriae Sine Fortitudinem" in latin.
The ability of people to spell words correctly has deteriorated quite significantly.
sine dine
sine 45 = 0.850903525