correspondence (reciprocal exchange of civilities, especially by letters)

to correspond (exchange messages, especially by postal letter, over a period of time); to communicate with letters

commute to school

(pathology) gout

Toulouse (the capital city of the Haute-Garonne department, France; capital city of the region of Occitanie)

an interpreter (someone who listens to speech in one language, and repeats that content in another language)

a heartache

common use

thorough knowledge of something

to be well versed in something, to be thoroughly acquainted with something