From Wiktionary, the free dictionary
Derived from rege (“a monarch, king or queen”)
Root: reg-.
Morphemes: reg- + -id- + -o
regido (plural regidos)
- royal prince
- rega (“queen”, noun)
- reganal (“queenly”, adjective)
- rege (“monarch”, noun)
- regia (“kingdom”, noun)
- regida (“royal, regal”, adjective)
- regido (“royal prince”, noun)
- regira (“reign”, verb)
- rego (“king”, noun)
- regonal (“kingly”, adjective)
- viserego (“viceroy”, noun)