exacta

is a bet that you can pick the first and second finishers in the right order (WordNet).

Variations: exacta, exactas.

wifty

is an adjective meaning 'eccentric, silly or scatterbrained' (Wiktionary).

Variations: wifty, wiftier, wiftiest.

vomito

is the most virulent form of yellow fever or the black vomit associated with it (Wiktionary).

Variations: vomito, vomitos.

jook

is a small roadside establishment in the southeastern United States where you can eat and drink and dance to music provided by a jukebox (WordNet).

Variations: jook, jooks, juke, jukes.