What else could be the cause? Of course it is accent. Time and time again we all have seen how accent plays its role in communication. While it is not really a barrier, accent just requires a little bit of more attentiveness.
The word that fell into the «pot» was the word «love» with a Russian accent. It sounds like the word «laugh» (in a generally known English accent), this I observed among young learners, teens. It might interest you to know that while «love» doesn't have just a pronunciation (see below), it is basically not pronounced as «laugh» in generally accepted English language.
UK, US: [lʌv]
Northern England: [lʊːv]
To stamp it out if caught up in the mix, remember that song by the legendary Whitney Houston? «I will always love you». Listen to it time and time again. Then you don't have to read a similar post next time.
Also, please take out a little time to do research. I mean, if struggling with a particular word or grammar, take out some time to particularly check out the particular word. By so doing, it'll remain in your memory. Cheers!