logogram /logˈō-gram/ or logograph /-gräf/ (shorthand)

1. A single sign standing for a word, phrase or morpheme
2. A logogriph

• old maids
• old man
• Old Man of the Mountain
• old man of the sea
• old man's beard
• old master
• old masters
• old men
• old money
• old-money
• old moon
• old moustache
• oldness
• oldnesses
• Old Nick
• Old Norse
• Old One
• Old Poker
• Old Pretender
• Old Prussian
• Old Red Sandstone
• old rose
• old roses
• olds
• old salt