1. Start by looking the word up in a dictionary- even though you know what it means, this is helpful as it gives you a starting place. E.g. Clothes- the things that people wear such as shirts, trousers, dresses. 2. Then use this information

Hi, everybody, This was an argument I got in with a friend of mine. Which is the correct form or ... (the word) 'secs' sound like 'sex'. Hmm... "secs is a plural word"... it seems I've just answered myself,