Tranquilized vs Tranquillized - What's the difference?

As verbs the difference between tranquilized and tranquillized

is that tranquilized is past tense of tranquilize while tranquillized is past tense of tranquillize.

(head)

(tranquilize)

* tranquillize, tranquilise, tranquillise

To use a drug to sedate a person or animal.

To make something or someone tranquil; to pacify or calm.

To become tranquil; to relax.

To calm down.

* tranquilizer ----

(head)

(tranquillize)

(tranquilliz)