Here's what rhymes with trichloride.

Consider these alternatives

trifluoride / fluoride pentachloride / chloride antimony / testimony oxychloride / chloride pentoxide / dioxide tetrachloride / chloride rhodium / sodium trioxide / dioxide dichloride / chloride pyridine / line tetroxide / dioxide benzaldehyde / side thiocyanate / late hexahydrate / hydrate hydroxide / dioxide tetrafluoride / fluoride yttrium / equilibrium diazomethane / phenyldiazomethane iodate / state dithionite / might rhenium / premium fluoride / fluorite ferricyanide / side iodide / side chlorobenzene / seen furan / an