bis.- 
     (As in V34.bis) It is Latin for "second." 
cf.- 
     latin:"confer" which means (compare). 
et al.-
     latin:"et alii" or latin:"et aliae" which means (and others). 
Sic- 
     latin:"sic" which means (thus). 
ca.- 
     latin:"circa" which means (about). 
e.g.-
     latin:"exempli gratia" which means (for the sake of example). 
etc.-
     latin:"et cetera" which means (and so on). 
i.e.- 
     latin:"id est" which means (that is). 
N.B.- 
     latin:"nota bene" which means (note well). 
viz.-
     latin:"videlicet" from "videre licet" which means (it is permitted to see).