Grounded vs Based - What's the difference?

As adjectives the difference between grounded and based

is that grounded is not allowed to fly while based is founded on; having a basis; often used in combining forms.

is that grounded is past tense of ground while based is past tense of base.

(wikipedia grounded)

(en adjective)

(aviation, of an airman) Not allowed to fly.

(of a person, predicative) Confined to stay inside, typically by a parent, as a punishment.

(of a person) Mature]], sensible with well-considered [[priority, priorities.

(electricity, North America) Of or pertaining to an electrical conductor which is connected to earth; earthed.

(head)

(ground)

* *

(en adjective)

founded on; having a basis; often used in combining forms

That was a soundly based argument.

* * * * * * * * * * * * * * * * *

(head)

(base)

Being derived from (usually followed by on' or ' upon ).

It's a new film based on a best-selling novel.

Having a

The ladder is based on the even sidewalk for stability.

Having a base of operations.

The company is based in New York.