snicker /snikˈər/

1. To snigger
2. To nicker or neigh

To say gigglingly

1. A giggle
2. A neigh

• opal glasses
• opaline
• opalines
• opalised
• opalized
• opals
• opaque
• opaqued
• opaquely
• opaqueness
• opaquenesses
• opaquer
• opaques
• opaquest
• opaquing
• op art
• op cit
• opcode
• opcodes
• OPCW
• ope
• OPEC
• op-ed
• opeidoscope
• opeidoscopes