He upgraded to the Amex platinum card for more benefits.
Amex rewards
Frequency:
65
%
She redeemed her Amex rewards for a free flight.
Amex membership
Frequency:
60
%
The Amex membership comes with exclusive perks.
Amex points
Frequency:
55
%
He used his Amex points to book a hotel stay.
Idiomatic Expressions for Amex
Phrase: Amex lounge
Meaning: Refers to a lounge exclusively for American Express cardholders.
Usage: I enjoyed relaxing at the Amex lounge before my flight.