Distinct verb conjugations according to the transitivity of the verb. It is sometimes termed as “definite” versus “indefinite” conjugation, because also the definiteness of the object can play a role when selecting between the two
Verbal Prefixes - modify the meaning of the verb in both concrete and abstract ways
Examples from Mansi
ēl(a) - 'forwards, onwards, away'
jōm- 'to go, to stride'
ēl-jōm- 'to go away/on'
tinal- 'to sell'
ēl-tinal- 'to sell off'
χot - 'direction away from something and other nuances of action intensity'
min- 'to go'
χot-min- 'to go away, to stop'
roχt- 'to be frightened'
χot-roχt- 'to take fright suddenly'
Examples from Hungarian
el - 'away, off'
ugrik 'to jump'
elugrik 'to jump away'
mosolyog 'to smile'
elmosolyodik 'to start to smile'
ki - 'out (of)'
ugrik 'to jump'
kiugrik 'to jump out'
olvas 'to read'
kiolvas 'to read out'
(In Hungarian, the citation form of verbs is the 3rd person singular form, which is given here, which doesn't have any suffixes.)