antithesis, opposition or contrast in words or deeds.

hypoth'esis, a supposition.

paren'thesis, something inserted in a sentence which is complete without it.

syn'thesis, a putting together, as opposed to analysis.

35. TON'OS (τονος), tension, tone.

tone, tension, vigor, sound.

ton'ic, adj. increasing tension or vigor; n. a medicine which increases strength.

tune, a series of musical notes on a particular key.

attune', to make musical; to make one sound agree with another.

bar'ytone (Gr. adj. ba'rus, heavy), a male voice.