Greek and Latin Roots

2. the quality of being made up of exactly similar parts facing each other or around an axis.
4. a harsh discordant mixture of sounds.
5. a mathematical relationship or rule expressed in symbols.
8. feelings of pity and sorrow for someone else's misfortune.
10. a metric unit of measurement equal to 1,000 meters (approximately 0.62 miles).
13. relating to the structure of populations.
14. the side or part of an object that presents itself to view or that is normally seen or used first; the most forward part of something.
15. an instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol that expands and contracts in the tube with heating and cooling.
17. a system of government by the whole population or all the eligible members of a state, typically through elected representatives.
19. free from pretense or deceit; proceeding from genuine feelings.

1. an elaborate musical composition for full orchestra, typically in four movements, at least one of which is traditionally in sonata form.
3. make a thorough or dramatic change in the form, appearance, or character of.
6. an early sound-reproducing machine that used cylinders to record as well as reproduce sound.
7. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
9. a set of words that is complete in itself, typically containing a subject and predicate, conveying a statement, question, exclamation, or command, and consisting of a main clause and sometimes one or more subordinate clauses.
11. fail to remember.
12. a mark or character used as a conventional representation of an object, function, or process, e.g. the letter or letters standing for a chemical element or a character in musical notation.
14. done in accordance with rules of convention or etiquette; suitable for or constituting an official or important situation or occasion.
16. make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.
18. comply with rules, standards, or laws.