Please find below the solution to the asked query
Homothallic and monoecious are same.
Heterothallic and dioecious are same.
These terms are used for various fungi and plants.
The homothallic and monoecious are used to describe bisexual (having male and female organs in the same individual) condition while heterothallic and dioecious are used to describe unisexual (having male and female organs in different individuals) condition.