i 1 m 3 m 3 u 1 n 1 o 1 d 2 e 1 f 4 i 1 c 3 i 1 e 1 n 1 c 3 i 1 e 1 s 1
18 letters · 30 points in Scrabble
Meaning
noun immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced