Generation

5 clues
Gap
Kind of gap
Followers of a boom?
Allotment of heredity units?
The Lost ___ (post-W. W. I youths)
Similar answers:
Abbreviation
Abbreviations
Aberration
Aberrations
Abjuration
Ablation
Abomination
Acceleration
Accreditation
Accumulation
Accusation
Accusations
Acestationzebra
Acmecorporation
Acrossthenation
Activation
Activations
Actofabdication
Adaptation
Adestination