Tethys /tēˈthis, tethˈis/

1. A sea nymph, wife of Oceanus
2. A sea that extended in Mesozoic times from Mexico across the middle Atlantic and the Mediterranean into the centre of Asia (geology)
3. The third natural satellite of Saturn

• lassu
• lassus
• last
• lastage
• lastages
• last but not least
• last-ditch
• lasted
• laster
• lasters
• last-gasp
• last heir
• last heirs
• last honours
• last hurrah
• last hurrahs
• lasting
• lastingly
• lastingness
• lastingnesses
• lastings
• lastly
• last-minute
• last offices
• last out