Several words end in "is, "iss" (hiss, miss, this), "ice" (artifice, avarice, etc.), however the closest rhymes are "sashes," "clashes" and "rashes." Try "Mathis has rashes," "Mathis loves clashes" or "Mathis ran dashes."
homophone
Rule, power, sway, control, influence. Btw, I believe you mean synonym. Homophone in a word that's spelled the same or similar, but means something different. Synonym means the same thing, but is a whole different word. There is no actual homophone for authority.
gneiss
The actor Matt Dillon is real; the character of Marshal Matt Dillon is fictional.
pear, pair, pare
"Why not?" said Matt Cassel the quarterback.
The answer is that there is no homophone for can, but can is a homonym.
Him is the homophone for hymn.
Your is a homophone of you're. In some dialects, yore is another homophone.
the homophone for stationery is stationary
The homophone is dense.
The homophone is ail.
The homophone is cell.
The homophone is taught.
stock homophone
what is the homophone of space
The homophone is style