1along·side 
/əˈlɑ:ŋˈsaɪd/ adverb
/əˈlɑ:ŋˈsaɪd/ adverb : along or close at the side
▪ We waited for the other boat to come alongside.
▪ We waited for the other boat to come alongside.
alongside of
chiefly US, informal : next to or together with (someone or something) : alongside
▪ The police car pulled up alongside of our car. ▪ children working alongside of their parents
▪ The police car pulled up alongside of our car. ▪ children working alongside of their parents
