oasis /ō-āˈsis, rarely ōˈə-sis/

1. A fertile spot or tract in a sandy desert
2. Any place of rest or pleasure in the midst of toil and gloom
3. (Oasis®) a block of light permeable material used to hold cut flowers, etc in a flower arrangement

• thiophenes
• thiophens
• thiophil
• thio-salt
• thio-salts
• thiosulphate
• thiosulphates
• thiosulphuric acid
• thiouracil
• thiouracils
• thiourea
• thioureas
• thir
• thiram
• thirams
• third
• Third Age
• Third-Ager
• thirdborough
• thirdboroughs
• third class
• third-class
• third classes
• third degree
• third degree burn