Começar and iniciar are Portuguese equivalents of the English word "begin." Context makes clear whether "begin" as the more informal "start" (case 1) or as the more formal "initiate" (example 2) suits. The respective pronunciations will be "KO-mey-SA" and "EE-nee-SYA" in Cariocan Brazilian and in continental Portuguese.
A in Portuguese is "the" in English.
"Who?" in English is Quem? in Portuguese.
"Girl" in English is menina in Portuguese.
Solteira in Portuguese is "maiden" in English.
"Hope" in English is esperança in Portuguese.
Manja! in Portuguese is "Eat!" in English.
"England" in English is Inglaterra in Portuguese.
Se in Portuguese is "if" or "self" in English.
Vem! in Portuguese is "(You) Come!" in English.
Janeiro in Portuguese is "January" in English.
"Can you speak English?" in English is Você fala inglês?in Portuguese.
Vento in Italian and Portuguese is "wind" in English.