Heavy 2-3 words

Three-letter words containing a J, Q, X, or Z, and four-letter words containing a Q. (Many definitions from Bob Jackman)

All heavy 3-letter words

JQXZ
HAJJINQATAXELOXREXADZZAX
JABJOBQUABOXLUXSAXAZOZED
JAGJOESUQCOXMAXSEXBIZZEE
JAMJOGDEXMIXSIXCOZZEK
JARJOTFAXNIXSOXFEZZIG
JAWJOWFIXOXOTAXFIZZIN
JAYJOYFOXOXYTUXLEZZIP
JEEJUGGOXPAXVEXWIZZIT
JETJUNHEXPIXVOXZAGZOA
JEUJUSKEXPOXWAXZAPZOO
JEWJUTLAXPYXXIS
JIBRAJLEXRAXZAX
JIGTAJ

Uncommon heavy 2-3 hooks

ADZ n Amer. form of adze, a cutting tool
BIZ n slang for business
COX v to act as coxswain, a person steering a boat
DEX n a sulfate used as a stimulant
GOX n gaseous oxygen
HAJ n a Muslim pilgrimage to Mecca
JAY n a bird of the crow family
JIN n a supernatural being in Muslim mythology
JOE n same as JO (a Scottish sweetheart)
JOW v to toll a bell
JUN n a coin of North Korea (pl. JUN)
JUS n a Latin word for a law or legal right
KEX n a dry stalk
LEX n a Latin word for law
LOX v to supply with lox, liquid oxygen
MAX n obs. for gin, the drink
OXO j containing oxygen (also OXY)
OXY j same as OXO, above
PAX n a kiss of peace
PIX n a box in  which coins are kept for testing
QAT n an East African shrub (also KAT)
RAX v to stretch
REX n an animal with a single layer of hair; king (pl. REGES)
SAX n a short form of saxophone; a slate chopper
SOX n slang spelling of socks
TAJ n a crown
VOX n a voice (pl. VOCES)
ZAG v to change direction on a zig-zag course (also ZIG)
ZAX n a variant of SAX (a chopper for trimming slate; also ZEX)
ZED n the letter 'Z'
ZIN n zinfandel
ZIT n a pimple

Uncommon heavy words that are not 2-3 hooks

AZO j containing nitrogen
COZ n short for cousin (also CUZ)
FIZ v to make a hissing or sputtering sound (also FIZZ)
JEE v of horses, to urge on  (also GEE)
JEU n a game (pl. JEUX)
JEW v to cheat or get the better of (not in OSPD3)
JIB v to refuse to proceed further
LEZ n a lesbian (not in OSPD3)
LUX n a unit of illumination
NIX v to veto or cancel
PYX v to test
QUA p in the capacity of
RAJ n sovereignty
SUQ n a marketplace (also SUK, SOUK)
TUX n short for tuxedo, a dinner jacket
WIZ n a very skilful person
ZEK n an inmate of a labour camp in the former USSR
ZIG v same as ZAG, above
ZOA n a plural of zoon, a unified individual creature
ZEE n Amer. form of zed