13 baby names with a similar sound and feel to Thaddis.
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"kind, magnanimous"
"spear ruler"
"rose and beauty"
"follower of Christ"
"from Massy (a place in Normandy)"
"buzzing sound"
"of the Cornelius family"
"washing place"
"crowned with laurel, victorious"
"wise protector"
"Champion knight; defender of the palace and faith"
"hard, resolute in counsel"