How to spell INFULTOR correctly?

If someone has misspelled "infultor", they may have meant "infiltrator" or "insulator". "Infiltrator" refers to someone who enters an organization or group to gather information, while "insulator" refers to a material that prevents electricity or heat from passing through.

• inductor The inductor helps to store and release electrical energy in circuits.
• inflator The tire inflator helped me to fill up my flat tire quickly.
• insulator An insulator is used to protect electrical wires from damage or to prevent electric shock.

Excatally

• exact
• exacted
• exactingly
• exactly
• exacts
• executable
• exotically
• extol
• inexactly
• oxtail