1. Belonging to them

Sounds like: there's

Encyclopedia: Theirs

• Hevesy
• hew
• hew out
• hewer
• hewn
• hex
• hex nut
• hexa-
• hexachlorophene
• hexachord
• hexacosanoic acid
• hexad
• hexadecanoic acid
• hexadecimal
• hexadecimal digit
• hexadecimal notation
• hexadecimal number system
• hexadecimal system
• Hexadrol
• hexagon
• hexagonal
• hexagram
• Hexagrammidae
• Hexagrammos
• Hexagrammos decagrammus