Gacchanti → Aagacchanti
they go → the come (“go here”)
Nayanti → Aanayanti
they lead → they bring (“lead here”)
Gacchanti → Avagacchanti
down + they go → they understand (idiomatic)
Gacchanti → Samgacchanti
they go → they meet (“go together”)
Nayanti → Samnayanti
they lead → they unite (“lead others together”)
Gacchanti → Samaagacchanti
they go → they come together; they convene (“go together here”)
Nayanti → Samaanayanti
they lead → they gather (“lead together here”)
“Not X” — add ‘a-’ or ‘an-’
Shoka → Ashoka
grief, sorrow → without grief or sorrow
Himsaa → Ahimsaa
violence → non-violence
Bala → Abala
strength → without strength; weak, powerless
Ishta → Anishta
wanted → unwanted
“With X” — add ‘sa-’
Bala → Sabala
strength → with strength; strong, powerful