[cenamus]

However, Latin quattuor and english four are related through the PIE word kʷetwóres, as basically all words for 4 in indoeuropean languages are

[yard2010]

In my humble linguistics experience where there's smoke there's fire - many new languages words that sound similar may have and common abstract ancestor in one of the old proto languages

[shkkmo]

Yet 'consume' and 'consummate' have entirely separate origins so it isn't always a safe assumption.