interlard /in-tər-lärdˈ/

1. To mix in, as fat with lean
2. To intersperse (one's speech or writing) with unusual words

• soften
• softened
• softener
• softeners
• softening
• softening of the brain
• softenings
• softens
• soften up
• softer
• softest
• soft-finned
• soft foci
• soft focus
• soft-focus
• soft-footed
• soft fruit
• soft fruits
• soft furnishings
• soft goods
• soft-grass
• softhead
• soft-headed
• softheads
• soft-hearted