Answer
 Oral
 Sublingual
 Buccal
 Intra-ocular
 Topical
 Rectal
 Vaginal
 Respiratory tract
 Parenteral
 Intramuscular
 Subcutaneous
 Intradermal
 Intravenous

‘It can be useful to divide routes into Enteral, parenteral and topical - the list is not exhaustive, have you thought of any others?