both·er·a·tion 
(bŏth′ə-rāshən)
(bŏth′ə-rāshən)n.
The act of bothering or the state of being bothered.
interj.
Used to express annoyance or irritation.
- strength
- strengthen
- strengthener
- strenuous
- strenuously
- strenuousness
- strep
- strepsirhine
- strepsirrhine
- strep throat
- strepto-
- streptobacillus
- streptocarpus
- streptococcal
- streptococcic
- streptococcus
- streptodornase
- streptokinase
- streptolysin
- streptomyces
- streptomycin
- streptonigrin
- streptothricin
- streptozocin
- streptozotocin