「」「」。
'Kuruma' is a synonym for 'jidousha'.
Literal
''Kuruma'' [topic-は] ''automobile'' [possessive-の] synonym is.
A linguistic definition pointing out that 車 ('kuruma', car) is the everyday word for 自動車 ('jidōsha', automobile) — the first is the native Japanese reading, the second is the more formal sino-Japanese compound. 同意語 ('synonym') is the technical term, with 同意 ('same meaning') + 語 ('word'). Note that 同義語 is an alternative spelling.