deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE
Those two appears after the root in causatives by hetumatica, with causative meaning.
They also appear after /curAdi by satyApapAz..., with no meaning.
They cause /vRddhi of the root by acoJNiti or ata::upadh....
Some rules that mention the /Ni affixes —
/Ni
NeraniTi — /Ni disappears before many affixes
Nizridrusrubhy... — /Ni gets /caG before /luG
NaucaGyupadh... — /Ni plus /caG shortens the root
satyApapAz... — /curAdi roots get /Nic
What's the difference between /Nic and /NiG?
Rule anudAttaG... makes /NiG nders get bent endoings.