phylum /fīˈləm/

1. A main grouping of the animal kingdom, corresponding to a division in the plant kingdom
2. A group of languages thought to be related

• isotron
• isotrons
• isotropic
• isotropies
• isotropism
• isotropisms
• isotropous
• isotropy
• isotype
• isotypes
• isoxsuprine
• isoxsuprines
• isozyme
• isozymes
• ISP
• ispaghula
• I-spy
• Israeli
• Israelite
• Israelitic
• Israelitish
• ISS
• issei
• isseis
• ISSN