Infixes are uncommon in English but prevalent in other languages like Tagalog. You won’t find many infixed words in English compared to some other languages.
Pro Tip 2/3
Word Alteration
An infix can change the meaning of a word or its grammatical function. The concept of ‘infix’ might remind English speakers of contractions, like ‘can’t’ or ‘won’t’.
Pro Tip 3/3
Pronunciation Impact
Inserting an infix might impact the pronunciation and stress of the host word. English doesn’t often change word stress with infixes, unlike some languages.