adolescence
bloom
budtime
early years
florescence
flowering time
greenness
immaturity
jeunesse
juvenescence
my burning youth
my green age
prime of life
puberty
pubescence
salad days
seedtime of life
spring
springtide
springtime
springtime of life
tender age
tenderness
young blood
youngness
youth
youthfulness
youthhead
youthhood
youthiness
immatureness
bathos
bluestocking
cautiousness
counterstrike
cowardliness
evasiveness
ghosting
girl
insurgence
leanness
mispronunciation
nightmare
nonage
obstructiveness
plebe
plumpness
recreancy
redundance
shamefacedness
snow line
tearfulness
tyro
underestimation
usufruct