closely

aware, bound, dead, fitted, future, guarded, observed, observed

She kept her passport closely guarded in a safe at home.

chairs, listened, plant, police, question, questioned, read, study

The police questioned the suspect closely about his whereabouts that night.

german, languages, people's, s, speaker, u

The two closely related languages share many similarities in grammar and vocabulary.

in, up, with

The detective worked closely with the witness to piece together what happened that night.