monoxide

Akenside, algicide, alkoxide, almond-eyed, alongside, Argus-eyed, bleary-eyed, bona fide, Christmastide, citified, citywide, classified, coincide, corporate-wide, countrified, countryside, countrywide, cut-and-dried, cyanide, deicide, demand-side, dignified, dioxide, double-wide, eagle-eyed, Eastertide, ecocide, eventide, far and wide, feticide, formamide, fratricide, freedom ride, fungicide, genocide, germicide, gimlet-eyed, glassy-eyed, goggle-eyed, googly-eyed, gospel side, great divide, harborside, herbicide, homicide, honeyguide, humified, matricide, Merseyside, misty-eyed, miticide, mountainside, nationwide, Naugahyde, Oceanside, on the side, open-eyed, override, overstride, parricide, Passiontide, patricide, pesticide, planetwide, qualified, rarefied, raticide, regicide, riverside, Riverside, set-aside, side by side, silverside, sissified, slickenside, spermicide, starry-eyed, subdivide, suicide, supply-side, trisulfide, underside, verbicide, vermicide, viricide, waterside, Whitsuntide, wintertide