Johor is one of the 13 states in Malaysia. It ends with the letter r.
oystercatcher
In the absence of a definition, I'll provide one. What is a 13 letter word for vertical? Answer: perpendicular
Correspondent
acceptabilityaccommodationadvertisementalternatively
A 13-letter word that starts with "s" and ends with "s" is "schoolteachers."
Excommunicate is a 13 letter word. It begins and ends with the letter e.
Senselessness
advertisementaccompanimentacupuncturistapportionment
televangelist?
oceanographer
sanctimonious
international
Procrastinate.
Presbyterians
incrimination
exponentially, entertainment