Words containing prefix meaning in 'favor of':
The prefix meaning in favour of is ‘pro’ . A prefix is an affix placed before a word. Adding it changes the meaning of the word.
For example adding non (without) to sense changes the meaning of the word. ‘pro’ is added to many words namely
The prefix opposing ‘pro-’ is ‘anti-’ and ‘pro’ has other meanings too. It also means ‘forward’ and is also attached to stems not used as words.