tonics

Length / number of characters: 6
Number of words: 1

used of syllables
imparting vitality and energy
(music) the first note of a diatonic scale
a sweet drink containing carbonated water and flavoring
a medicine that strengthens and invigorates
employing variations in pitch to distinguish meanings of otherwise similar words
lime- or lemon-flavored carbonated water containing quinine
of or relating to or producing normal tone or tonus in muscles or tissue
relating to or being the keynote of a major or minor scale

You can also check definition for tonics on wikipedia or google (link opens in new window)