SPEC
CHRON
METER
LOG
BIO
100
to look at something closely

inspect

100

occurring again and again

chronic

100

an instrument used to measure air pressure 

 

barometer

100

an expression of regret for having done something wrong

apology

100

a drug that kills harmful bacteria

antibiotic

200

a way of looking at something 

perspective

200

a description of events in the order they happened

chronicle

200

the distance through the center of a circle or sphere 

 

diameter

200

things said by characters in a story

dialogue

200

slowly destroyed and broken down by natural processes

biodegradable

300

the possibility that something will happen in the future

prospect

300

arranged in the order that things happened

chronological (as in "chronological order")

300

the profession of examining people’s eyes to find 

out if they need eyeglasses

optometry

300

a final section after the main part of a book

epilogue

300

story of a person's life written by another person

biography

400

a person who watches an event, show, game, or activity

spectator

400

a watch or clock

chronometer

400

the outside edge of an area

perimeter

400

a speech that honors someone who has died

eulogy

400

a biological or chemical substance or situation that is dangerous to humans

biohazard

500

to consider something and make guesses about it

speculate

500

things that happen at the same time

synchronize

500

something with two sides that are the same size, shape, and position

symmetry

500

a long speech given by a character in a story

monologue

500

a science that deals with things that are alive

biology