To which words can add the suffix ful to form a word that means dishonest or misleading?

The suffix "-ful" typically indicates "full of" or "characterized by". While it's not common to add "-ful" to create words meaning "dishonest or misleading", you can add "-ful" to these words to create words with similar meanings:

* Deceit -> Deceitful: This is a common word meaning "dishonest and misleading"

* Trick -> Trickful: While less common, "trickful" can be used to describe someone who is prone to using tricks or deception.

* Fraud -> Fraudful: This word means "involving or characterized by fraud," which is inherently dishonest and misleading.

* Guile -> Guileful: This word means "characterized by cunning and deception," which is synonymous with dishonesty and misleading.

It's important to note that "trickful" is a less common word and might not be widely understood. The others are more common and readily understood.