- Underexpansion Noun Adj
- Underexpenditure Noun Adj
- Underexploited Adj
- Underexposed Adj
- Underexposure Noun Adj
- Underfed Adj
- Underfeed Verb Adj
- Underfeeding Noun Adj
- Underfelt Noun Adj
- Underfifiring Adj
- Underfill Noun Verb Adj
- Underfilled Adj Past Participle
- Underfilling Noun Adj
- Underfinanced Adj Past Participle
- Underfired Adj
- Underfit Verb Adj
- Underflooding Noun Pres. Participle Adj
- Underfloor Noun Adj
- Underflow Noun Verb Adj
- Underflowing Adj
- Underfoot Adv Adj
- Underframe Noun Adj
- Underfrequency Noun Adj
- Underfull Adj
- Underfunding Noun Adj
- Underfur Noun Adj
- Undergarment Noun Adj
- Underglaze Noun Verb Adj
- Undergraduate Adj Noun
- Underground Adj Adv Noun
- Undergrounded Adj
- Undergrowth Noun Adj
- Underhand Adj Adv
- Underhanded Adj
- Underheated Adj Past Participle
- Underhoused Adj Past Participle
- Underhung Adj
- Underillumination Noun Adj
- Underinflation Noun Adj
- Underinsurance Noun Adj
- Underinsured Adj Noun
- Underinvestment Noun Adj
- Underivable Adj
- Underived Adj
- Underjaw Noun Adj
- Underlap Noun Verb Adj
- Underlay Noun Verb Adj
- Underlayer Noun Adj
- Underlaying Adj
- Underlease Noun Verb Adj
- Underleased Adj
- Underleasing Noun Adj
- Underlighting Noun Adj
- Underline Noun Verb Adj
- Underliner Noun Adj
- Underlip Noun Adj
- Underload Noun Verb Adj
- Underloaded Adj Past Participle
- Underlying Adj Pres. Participle Noun
- Undermanaged Adj