Cases of word usage

1) a close-fitting hat tied under the chin, as worn by babies (bonnet)

2) a kind of tall hat worn by bishops (mitre)

3) of a profession; doing something in a way hat shows care or concern (professional)

4) an academic book hat deals with one subject in detail (treatise)

5) a length of cloth wound round the head by Muslim, Hindu or Sikh men; a woman's similar close-fitting hat (turban)