gobbledygook or gobbledegook/ʹgobldigoohk/ noun

• inverted pleat
• inverted snob
• inverter
• invert sugar
• invest
• investigate
• investigation
• investigative
• investiture
• investment
• investment bond
• investment company
• investment trust
• inveterate
• invidious
• in view of
• invigilate
• invigorate
• invincible
• in vino veritas
• inviolable
• inviolate
• invisible
• invisible ink
• invitation