oportunitas

casus – a falling, accident, chance, downfall, event, fortune, occasion, opportunity, violent death
commodum – comfort, convenience, favorable condition, opportunity, profit, requirements, suitable time, tage, use
facultas – ability, abundance, capacity, feasibility, means, opportunity, power, resources, stock, store, wealth
occasio – favorable moment, opportunity
opportunitas – convenience, fitness, opportunity, suitability, tage
potestas – ability, authority, legal competence, opportunity, power
usus – employ, enjoy, experience, possess, profit, skill, tage, to use, use
vicis – event, occasion, opportunity, time

oportet – becoming, imper v, it behooves, it is fitting, it is needful, it is proper, necessary, one ought, one should, reasonable, to assume it shall be
importunitas – incivility, insolence
opportunitas – convenience, fitness, opportunity, suitability, tage
inopportunitas – inconvenience, unseemly event
obedienter – obediently
obedio – to yield obedience to
obex – barrier
obicio – throw in someone's teeth, to offer
obieci – throw in someone's teeth, to offer
obiectum – throw in someone's teeth, to offer

o·por·tu·ni·tas[1]