The second is: British English.

flat

Bathroom toilet

Canned can

candy

Potato chips

Cookies, cookies, cookies.

Corn corn

reverse charge call

cot

diaper

Elevator lift

eraser

First floor, first floor, ground floor

Flashlight flashlight

French fries

Trash bin

Gasoline gas

Jam jelly jam

The hood of a car

Anger, madness, anger

Mathematical mathematics

Napkins, mouth wipes

panty-hose

Crispy potato chips

A purse/handbag

soccer

Round trip

Pedestrian pavement

Stove cooker

Sweater sweater, pullover

Trucks and trucks

A trunk in the back of a car.

holiday

The difference in spelling is relatively small. Here are some examples:

The first one is American English.

The second is: British English.

Archaeology archaeology

catalogue

Civilized civilization

Color color color

Curb; kerb

Resistance defense defense

Draft, draft, draft

favorite

honour

Jewelry store

institutional framework

Practice practice

tyre