genus /jēˈnəs or jenˈəs/

1. A taxonomic group of lower rank than a family, consisting of closely related species, in extreme cases of one species only (biology)
2. A class of objects comprehending several subordinate species (logic)

• third-gender
• third-generation
• third-hand
• thirding
• thirdings
• third intention healing
• Third International
• thirdly
• third man
• Third market
• third men
• third order
• third orders
• third parties
• third party
• third-party
• third person
• third-programme
• third rail
• third rails
• third-rail system
• third-rate
• third reading
• Third Reich
• thirds