Pacifist Ways

Rotten flesh - Same recipe for fermented eye but change the spider eye for meat
Spider eye - Buy it from journeyman Cleric Villagers
String - Right click a white wool block with shears
Gunpowder - Craft it with sand, coal, and bonemeal
Bones - But it from aprentice Butcher Villager
Slimeballs - Combine a snowball, bone and sugar together
Blazepowder - Add gunpowder to a magma block in the smithing table
Magmacream - Add blazepowder to a slimeball in the smithing table
SkeletonSkull - Use shears on a bone block
ZombieSkull - Craft rotten flesh around a skeleton skull
WitherSkull - Craft coal around a skeleton skull
CreeperSkull - Craft lime dye around a skeleton skull
Nether Star - Buy it from master Cleric Villagers
Trident - But it from journeyman Weaponsmith Villagers
Totem of Undying - Craft golden blocks around a Nether Star
Ghast tear - Buy it from expert Cleric Villagers
Phantom membrane - Buy it from expert Cleric Villagers
Shulker shells - Buy it from master Cleric Villagers
SkeletonHorse - Kill a horse while it has regeneration
ZombieHorse - Feed a Skeleton horse a enchanted golden apple
Enchanted golden apple - same recipe as before it was removed