\(\displaystyle \begin{array}{c}Janus\; word\\ \text{A word having opposite} \\ \text{or contradictory meanings} \\ \\ W\!eather\\ \text{to endure}\\ \text{to erode} \\ \\ Cleave \\ \text{to adhere} \\ \text{to part} \\ \\ Sanction \\ \text{to allow} \\ \text{to prohibit} \\ \\ Fix \\ \text{a problem (in a fix)} \\ \text{a solution (a quick fix)} \\ \\ Clip \\ \text{to separate (clip the coupon)}\\ \text{to join (clip the pages together)} \end{array}\)
. . . . \(\displaystyle \begin{array}{c}Cavalier \\ \text{casual, offhand} \\ \text{haughty, disdainful} \\ \\ Le\!ft \\ \text{to have gone} \\ \text{to remain} \\ \\ W\!ear \\ \text{to last under use} \\ \text{to erode under use} \\ \\ Buckle \\ \text{to fasten} \\ \text{to bend and break} \\ \\ Bolt \\ \text{to secure, lock} \\ \text{to run suddenly} \\ \\ Screen \\ \text{to conceal} \\ \text{to display} \\ \\ F\!ast \\ \text{moving quickly} \\ \text{not moving} \end{array}\)