avyaya
avyaya — without deterioration; BG 4.6
avyayā — eternal; SB 4.28.58
avyaya-ātmane — whose personality never deteriorates; SB 7.8.40
avyaya-ātmanaḥ — to the Supreme Personality of Godhead; SB 8.18.16
avyaya-ātman — their inexhaustible one; SB 10.40.15
avyaya — O undiminishing one; SB 10.64.27-28
avyaya — O undepletable one; SB 10.68.48
avyaya — O inexhaustible one; SB 10.73.8
avyaya — indestructible; CC Madhya 3.159
avyaya — indeclinable words; CC Madhya 24.65