The "j" /ʤ/ is an explosive sound that is almost like a sneeze. It is impossible to extend the sound for very long.
The "z" /z/ is a smooth sound that is a voiced version of /s/. It could be extended as long as you like, but doing so in natural speech is comical.
zip - jip
zest - jest
zig - jig
zen - jen
zone - joan
raise - rage
jag - zag
binge - bins
siege - sees
stage - stays
change - chains
jew - zoo
juice - zoos
Marge - mars
rage - raise
budge - buzz
purge - purrs
Zip with zest and jest. Zig and jig to the zen beats. Jen zones out in a joyful rage. Raise the bar, Joan! This juicy zoo buzzes with Marge.
Mars sees Marge rage. Raise your voice, stage a change. Zig, zag, and budge those chains. Juice the zest, purge the bins. Jewels in zoos, jewels in zoos.
Jen's rage purrs like a jag. Zip, zap, zag—she won't budge. In a siege of silence, she seeks zen. Stays calm, changes lanes, and juices life's zest.
Jest and jest, zig and zag. Joan's rage raises a stage of chaos. Jen's zen soothes the zoo. Marge purrs with zest, sipping juice in the quiet zone.
Zig to the zoo, zag to Marge. Raise the stakes, stage a purge. Buzz with zest, jest with joy. Zen sees rage, juice the bins, and embrace change.
Zip through life with zest and jest. Zig and zag like a jazzy jig. Find zen in the zen zone. Joan raises the bar, raging with grace. Change the game, engage the stage.
Mars sees Marge's rage rise. Raise your voice, stage a change. Zig, zag, and budge those chains. Juice the zest, purge the bins. Jewels in zoos, jewels in zoos.
In the land of jest and zest, where zoos buzz and purrs reign. Jen finds zen, raises the bar. Zig and zag, change the scene. Juice life's joy, seize the stage.
Zip and zag, jest and jig, on the stage of life. Zen stays with Joan, rage fuels Marge. Juicy juices, buzzing zoos, a purge of bins. Raise your voice, change the game.