pea ees tähendus null.

headfirst▼◼◼◼[UK: ˈhed.ˈfɜːst] [US: ˈhed.ˈfɝːst]

headlong▼◼◼◼[UK: ˈhed.lɒŋ] [US: ˈhed.ˌlɒŋ]