it is always be truthful to your soul mate because they know everything you do and know when you're lying

Boombox, folwpox, perplex, postbox, reindex, teletex, workbox, to name a few.

anthrax

bandbox

beeswax

complex

equinox

firebox

flummox

gearbox

jukebox

mailbox

overtax

paradox

perplex

phalanx

pharynx

phoenix

pillbox

postbox

saltbox

sandbox

simplex

soapbox

toolbox

triplex

workbox

A complete list of SOWPODS2-allowable words which end in the letters BOX:

bandbox, beatbox, boombox, cashbox, coalbox, farebox, feedbox, firebox, gearbox, hellbox, jukebox, kickbox, lockbox, mailbox, pillbox, postbox, saltbox, sandbox, seedbox, shoebox, showbox, soapbox, talkbox, toolbox, woodbox, workbox

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern ---K-OX. That is, seven letter words with 4th letter K and 6th letter O and 7th letter X. In alphabetical order, they are:

kickbox

lockbox

talkbox

workbox