Aqua/Hydra(water) or Scribo/Grapho(write)
Geo/Terra(earth) or Poly/Multus(many)
Thesis/Ponere(place) or Chronos/Tempus(time)
Eu/Bonus(good) or Skopeo/Video(see)
Ballein/Lacrea(throw) or Polis/Urbs(city)
100

a written work of fiction about someone's life

What is a biography?

100

speaks or writes many languages, usually more than three

What is a polyglot?

100

something or someone out of place with the current time

anachronism

100

stylish; charming; suave; smooth; sophisticated

What is a debonair?

100

the science of the motion of projectiles

What is ballistics?

200

activities that take place in or on water

What is aquatic?

200

the highest point; the the point in the moon's orbit when it is farthest from the earth

What is apogee?

200

without preparation; impromptu

What is extemporaneous?

200

a mild, indirect expression in the place of a blunt expression

euphemism

200

an inference; a guess; a conclusion based on incomplete information; verb, to speculate, to guess

What is conjecture?

300

the term for water that is part of a solution

What is aqueous?

300

having or relating to the Sun as the center or the earth as the center

What is heliocentric or geocentric?

300

putting on laying something onto someone, esp. a demand or burden

What is imposition?

300

a tool for peering over obstructions

What is a periscope?

300

the study of urban issues, problems, and solutions

What is urbanology?

400

dry, without water

What is an anhydrous?

400

a style of musical composition using two or more simultaneous but relatively independent melodic lines

What is polyphony? 

400

opposite, a complete contrast

What is antithesis?

400

an easy, smooth enunciation of sounds; a pronunciation of letters and syllables pleasing to the ear

euphony

400

a great commercial center, a large, densely populated urban center; the capitol

What is a metropolis?

500

writing or typing in shorthand

What is stenography?

500

using many words; talkative

What is multiloquent?

500

underground; hidden, secret

What is subterranean?

500

exceptional mental insight

What is clairvoyance?

500

to introduce suddenly; to interrupt; interpose; to add; to insert introduce a new element

What is to interject?