Apologies if any of these have already been hit in this thread...
Feather Ball - used for practising aim before they let you have Fire Ball
Pass Without Grace
Dancing Wights - for the Necromantic among us
Hold Mortal
Rum - for when Run is just no longer an option
Raise Head
Continual Fight - some adventures are like this
Speak With the Mead - yeah, that's the beer talking
Detect Pie
Glow Poison or Blow Poison - the choice is yours
Animate Lead
Commute - a high-level Cleric spell and all it does is get you to work
Harp / Seal
Holy Worm - as in holy worm, Batman!
Warp Good
Chart Person
Scarf - when you just don't have time for a sit-down meal
Trap the Soup - often cast in conjunction with Scarf
Rose Trick
Exploding Dune or Exploring Rune - again, your choice
Waste - where you go through all the motions and don't in fact cast anything
Lightning Colt - racehorse in the making
Wizard Ewe - just...don't ask
Wall of Dog
Cloudhill - when you need a bigger Wall of Dog
Wall of Store - every store needs a few
Time Shop - what Walls of Store are used to build
Power Water
Protected Image - this illusion copyright 2016
Power Cord Kill
Phantasmal Filler
Nominate Person
Tenser's Floating Risk - a wild magic surge looking for a place to happen
Magic Car
Cute Light Wounds
And a few others achieved by adding, dropping or changing a bit more than just one letter:
Wall of Irony
Wall of Lice
Change Shelf or Change Elf
Leomund's Tiny Nuts
Ferry Fire
Lan-"around here we usually call it Tenser's Herniated Disk"-efan