Duc/Duct (lead)
Duc, duct
Latin ducere, ductum: to lead.
Our teacher will conduct the science quiz on Friday.
Introduce
To lead someone in and make them known to others.
Diya introduced her new classmate to the group.
Conductor
A person who leads an orchestra, or collects bus fares.
The bus conductor in Bengaluru gave Kabir his ticket.
Remember: Duc = lead: produce = lead forth; reduce = lead back. Stress shift: farm PRO-duce (noun) but factories pro-DUCE (verb); good CON-duct, but con-DUCT a test.