Sub-Saharan Africa
Sub Pop
Sub-orbital spaceflight
Sub-Zero (Mortal Kombat)
Cousins Subs
Sub-Roman Britain
Ense petit placidam sub libertate quietem
Subor
Romans in sub-Saharan Africa
Michel Subor
Firehouse Subs
Submachine gun
Jersey Mike's Subs
Church of the SubGenius
Cork oak
Genre
Subatomic particle
Subshrub
Subroutine
Subplot
Subspecies
Subtropics