Common utilities
Desktops/Graphical User Interfaces
Multimedia
Database Servers
Database Clients
Network Services
Security Auditing
Network Utilities
Filesystems
Filesystem Utilities
Desktop Publishing
Conversion
... prefixes, suffixes, infixes, and reduplication. Also extremely common is vowel gradation; every root has (not necessarily all distinct) zero, guna[?], and vrdhii[?] ...