py·re·throid 
(pī-rēthroid, -rĕthroid)
(pī-rēthroid, -rĕthroid)n.
Any of several synthetic compounds similar to pyrethrin, used as an insecticide.
- suppurate
- suppuration
- suppurative
- supra-
- supracellular
- supragenic
- supraglottal
- supraliminal
- supralittoral
- supramaxilla
- supramaxillary
- supramolecular
- supranational
- supraorbital
- suprarenal
- suprarenal gland
- suprascapular
- supraventricular
- supravital
- supremacist
- supremacy
- suprematism
- suprematist
- supreme
- Supreme Being