Guacara is a Spanish phonetic spelling of an original Indian name, and Wakulla is a Muskhogean pronunciation of Guacara. The Spanish Gua is the equivalent of the Creek wa, and as the Creek alphabet does not exhibit an "R" sound, the second element cara would have been pronounced kala by the Creeks. The Creek voiceless "L" is always substituted for the Spanish "R".
Guacara is a Spanish phonetic spelling of an original Indian name, while Wakulla is a Muskhogean pronunciation of Guacara. The Spanish word "Gua" corresponds to the Creek word "wa," and since the Creek alphabet lacks an "R" sound, the second element "cara" would have been pronounced "kala" by the Creeks.  The voiceless "L" in the Creek language replaces the Spanish "R."