cooperate- to work together
coerce- compel by force
vocal- to speak out
vocabulary- words of a language
quintuplets- five children born at one birth
quintet- group of five
Linear-using a line or lines
Incline-to lean; to slope
Genesis- beginning; origin
Generation- individuals born about the same time
cursory- running quickly over
Cursive- written with a running hand
incredulous- not believing
distinct- not identical
Subtle- difficult to detect, elusive
Subterranean- underground