sym·pet·al·ous 
(sĭm-pĕtl-əs)
(sĭm-pĕtl-əs)adj.
Gamopetalous.
- 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
- Stresemann