What's the Word?

Oki so if you have this game then you know what it is already its an app where they show you 4 pics that all mean 1 word. you have to try and figure out what's similar to get the word though...so here n example in case ur like 0-0 wtf she just sai o.O?

 Oki so theres a credit card, money, a check, and a girl getin out her crefit card, and you can pay (like the girl is doing with her credit card) with money checks ad a crdit card so yea its exactly like that but different oki so now ima show u my pics and you have to try and guess the word, i got it directly off the app so some ppl might get this real quick. if you think you know the answer email me at: cookiebecrazy@gmail.com and you shall receive a prize when wzw gets bak up

Image 1

Image 3

Image 2

Image 4

Oki now try to find out what all these pics have in common then email me at: cookiebecrazy@gmail.com
the order of the images doesnt really matter i just did that and some images may bot be what you think they are btw when you email me gimmie ur woozen name x3 
good luck x3