Yes: an open compound has two words separated by a space, but still has a unique meaning. Ice cream, common sense, never mind, etc. FWIW, there are plenty of l

Yes: an open compound has two words separated by a space, but still has a unique meaning. Ice cream, common sense, never mind, etc. FWIW, there are plenty of languages that don't use any spaces at all in their writing (Japanese, Chinese, Thai), and the use of spacing is quite fluid even in English. Is it a cellphone or a cell phone?