FEATURES – GCDPZLLK is given.
G – G is one letter after F
C – C is 2 letter before E
D – D is 3 letter after A
P – P is 4 letter before T
Z – Z is 5 letter after U
L – L is 6 letter before R
L – L is 7 letter after E
K – K is 8 letter before S

Similarly, ADVANTAGE – BBYWSNHYN
A – A is 4 letter before W
D – D is 4 letter before Z
V – V is 4 letter before R
A – A is 4 letter before W.

Fourth letter from left in ADVANTAGES is W