How many letters does the top answer for “the act of motorizing (equiping with motors or with motor vehicles)” have?

The most common answer is motorisation (12 letters).

Crossword clue: the act of motorizing (equiping with motors or with motor vehicles)

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

motorisation 12 letters wn-def

the act of motorizing (equiping with motors or with motor vehicles)

motorization 12 letters wn-def

the act of motorizing (equiping with motors or with motor vehicles)