Sub-, Super-, and Sur-

subconscious (adj)

not fully aware; occurring below your level of thinking and awareness

subcutaneous (adj)

under the skin

subfreezing (adj)

below the freezing point

subject (v)

to put under someone else's control

submarine (n)

a watercraft that stays under water

submerge (v)

to put under water

subway (n)

a passageway under the ground; an electric underground railway

superimpose (v)

to lay or place something over something else

superior (adj)

above average in quality; excellent

supervisor (n)

a person who stands over or above someone in rank; a manager in charge of someone else

surcharge (n)

an amount of money (charge) over and above what is already being paid

surplus (n)

a quantity or amount over and above what is actually needed; extra

surreal (adj)

beyond what is real or believable; bizarre

surtax (n)

an extra tax beyond the normal tax