umph /hmh, hm or mf/ same as humph¹

• loofahs
• loofful
• looffuls
• loofs
• looing
• look
• look after
• look a gift horse in the mouth
• lookalike
• lookalikes
• look alive
• look and say
• look-and-say
• look as if butter wouldn't melt in one's mouth
• look askance
• look awry
• look daggers
• look down on
• look down one's nose at
• looked
• looker
• looker-on
• lookers
• lookers-on
• look for