There are heaps of things that start with "ca" carrot car cat cart, or cartwheel California, or catastrophic for example.
Cashew
cancaniner
The compound word that begins with hear is hearsay.
escapeessayesteemestimateescaroleestimateescrowesquire
Phonetic is a word. It begins with the letters phone.
Asinine is a nasty word. It begins with the letter a.
The word "apple" begins with the same sound as "at."
Qua is a word. It begins with the letter Q.
Nordstroms ,Costa Mesa, ca
A word that begins and ends with the letters he: headache. heartache.
A word for patient that begins with the letter a: accommodating.
Blasphemously is a long word. It begins with the letter b.