- Underetch Verb Noun
- Underexpand Verb
- Underexpose Verb
- Underfeed Verb
- Underfill Noun Verb
- Underfit Verb Adj
- Underflow Noun Verb
- Underfund Verb
- Undergird Verb
- Underglaze Noun Verb
- Undergo Verb
- Underlap Noun Verb
- Underlay Noun Verb
- Underlease Noun Verb
- Underlet Verb Noun
- Underlie Verb
- Underline Noun Verb
- Underload Noun Verb
- Undermine Verb
- Undernourish Verb
- Underpaid Adj Verb
- Underpay Verb
- Underpin Verb
- Underplay Verb Noun
- Underplot Noun Verb
- Underpower Verb
- Underprice Verb
- Underproduce Verb
- Underprop Verb
- Underprovide Verb
- Underprovision Noun Verb
- Underrate Verb
- Underreach Noun Verb
- Underream Verb Noun
- Underreport Verb
- Underrun Noun Verb
- Underscan Noun Verb
- Underscore Noun Verb
- Undersell Verb
- Undershoot Verb Noun
- Undersign Verb Noun
- Undersize Adj Verb
- Underslip Noun Verb
- Undersow Verb
- Underspecify Verb
- Underspend Verb Noun
- Understaff Verb
- Understand Verb
- Understand in Verb
- Understate Verb
- Understeer Noun Verb
- Understock Noun Verb
- Understudy Noun Verb
- Undersupply Noun Verb
- Undertake Verb
- Undertax Verb
- Underthrow Noun Verb
- Underthrust Noun Verb
- Undertighten Verb
- Undertint Noun Verb