- Spectroscopically Adv
- Speculatively Adv
- Speechlessly Adv
- Speedily Adv
- Spermatically Adv
- Spherically Adv
- Spheroidally Adv
- Sphygmomanometrically Adv
- Spiccato Adj Adv Noun
- Spicily Adv
- Spiffily Adv
- Spikily Adv
- Spinally Adv
- Spinelessly Adv
- Spinosely Adv
- Spirally Adv
- Spiritedly Adv
- Spiritlessly Adv
- Spiritually Adv
- Spitefully Adv
- Spivvishly Adv
- Splashily Adv
- Splendidly Adv
- Splenetically Adv
- Spongily Adv
- Spontaneously Adv
- Spookily Adv
- Spoonily Adv
- Sporadically Adv
- Sportily Adv
- Sportingly Adv
- Sportively Adv
- Spot-on Adj Adv Inter
- Spotlessly Adv
- Spottily Adv
- Sprightly Adj Adv
- Springily Adv
- Sprucely Adv
- Spry Adj Adv
- Spryly Adv
- Spumily Adv
- Spunkily Adv
- Spuriously Adv
- Sputteringly Adv
- Squalidly Adv
- Square Adj Noun Verb Adv
- Squarely Adv
- Squarewise Adv
- Squatly Adv
- Squeakily Adv
- Squeaky Adj Adv
- Squeamishly Adv
- Squiffily Adv
- Squint Noun Verb Adj Adv
- Stably Adv
- Staccato Adj Adv Noun
- Stagewise Adj Adv
- Staggeringly Adv
- Stagily Adv
- Stagnantly Adv