Common words:
* bridge
* edge
* hedge
* judge
* lodge
* pledge
* ridge
* wedge
Less common words:
* abridge
* budge
* cadge
* coadjutor (a helper or assistant)
* dodge
* fudge
* grudge
* hudge (archaic, meaning "huge")
* knowledge
* ledge
* midge
* pedage (archaic, meaning "pedagogy")
* sedge
* springe (archaic, meaning "trap")
* trudge
* wudge (a kind of hammer)
There are also some proper nouns and technical terms with "dge," like "Dredge" (a person's name) or "bridgehead" (a military term).
Let me know if you have any other questions!