-
academic & science | physics
-
miscellaneous | ship types
-
medical | physiology
-
regional | language codes (2 letters)
-
community | non-profit organizations
-
internet | chat
-
miscellaneous | science fiction
-
miscellaneous | hobbies
-
business | occupation & positions
-
miscellaneous | unclassified
-
computing | networking
-
regional | countries
-
governmental | military
-
computing | hardware
-
miscellaneous | unclassified
-
miscellaneous | unclassified
-
community | sports
-
academic & science | ocean science
-
computing | assembly
-
governmental | us government
-
business | occupation & positions
-
miscellaneous | unclassified
-
miscellaneous | unclassified
-
miscellaneous | names and nicknames
-
community | schools
-
governmental | nasa
-
miscellaneous | names and nicknames
-
computing | file extensions
-
computing | security
-
governmental | suppliers
-
governmental | united nations
-
academic & science | amateur radio
-
academic & science | physics
-
miscellaneous | aircraft & aviation
-
miscellaneous | unclassified
-
academic & science | universities
-
miscellaneous | names and nicknames
-
computing | general
-
computing | assembly
-
academic & science | chemistry
-
computing | texting
-
governmental | military
-
academic & science
-
Southwestern Railroad Company
regional | railroads
-
international
-
miscellaneous | names and nicknames
-
miscellaneous | colors
-
governmental | military
-
regional
-
governmental | transportation
-
miscellaneous
-
business | companies & firms
-
miscellaneous | unclassified
-
academic & science | mathematics
-
miscellaneous | unclassified
-
business | toronto stock exchange
-
miscellaneous | unclassified
-
miscellaneous | names and nicknames
-
internet | chat
-
computing | general
-
academic & science | meteorology
-
international | german
-
business | products
-
community | sports
-
business | companies & firms
-
academic & science | ocean science
-
governmental | nasa
-
miscellaneous | hobbies
-
business | products
-
medical | physiology
-
business | occupation & positions
-
governmental | nasa
-
miscellaneous | unclassified
-
academic & science | physics
-
business | products
-
medical | physiology
-
governmental | transportation
-
business | companies & firms
-
academic & science | electronics
-
computing | software
-
miscellaneous | unclassified
-
miscellaneous
-
regional
-
community
-
governmental | military
-
governmental | military
-
academic & science
-
governmental | nasa
-
academic & science | mathematics
-
business | nyse symbols
-
medical | laboratory
-
miscellaneous | food
-
governmental | nasa
-
miscellaneous | aircraft & aviation
-
academic & science | meteorology
-
computing | assembly
-
governmental | nasa
-
academic & science | ocean science
-
miscellaneous | unclassified
-
community | famous
-
governmental | nasa
-
miscellaneous | science fiction
-
computing | assembly
-
miscellaneous | unclassified
-
business | companies & firms
-
community | educational
-
miscellaneous
-
academic & science | architecture
-
miscellaneous | colors
-
computing | texting
-
computing | general
-
business | products
-
miscellaneous | construction
-
miscellaneous | science fiction
-
business | general
-
computing | general
-
business | products
-
business | products
-
computing | software
-
governmental | transportation
-
business | occupation & positions