põhinema tähendus null.

base▼◼◼◼[UK: beɪs] [US: ˈbeɪs]

ground▼◼◻◻[UK: ɡraʊnd] [US: ˈɡraʊnd]

found [founded, founding, founds]▼◼◻◻verb
[UK: faʊnd] [US: ˈfaʊnd]

draw on▼◼◼◼[UK: drɔː ɒn] [US: ˈdrɒ ɑːn]