teen·ag·er 
(tēnā′jər)
(tēnā′jər)n.
A person between the ages of 13 and 19; an adolescent.
- Ritter
- astronautically
- astronautics
- astronavigation
- astronavigator
- astronomer
- astronomic
- astronomical
- astronomical distance
- astronomically
- astronomical unit
- astronomical year
- astronomy
- astrophotographer
- astrophotographic
- astrophotography
- astrophysical
- astrophysicist
- astrophysics
- astrosphere
- AstroTurf
- astroturfing
- Asturian
- Asturias
- astute