synaeresis /sin-ēˈrə-sis/

1. The running together of two vowels into one or into a diphthong (phonetics)
2. The spontaneous expulsion of liquid from a gel (chem)

• whimsily
• whimsiness
• whimsinesses
• whimsy
• whim-wham
• whim-whams
• whin
• whinberries
• whinberry
• whinchat
• whinchats
• whine
• whined
• whiner
• whiners
• whines
• whinge
• whinged
• whingeing
• whingeingly
• whinger
• whingers
• whinges
• whingier
• whingiest