Some five letter words with L in the middle are:
loyalroyal
A 5 letter word that starts with an L is Lipid
alterblackblankblazebleakbloodbloomblurtcleanelectflockglassplanesleet
Alter
utile
loyalroyal
A 5 letter word that starts with an L is Lipid
ceilingdealingendlessfeelinggutlesshaulinghealingidolizeinflateinflamemailingmisleadnailingpeelingrealityreplacereplantrepletesailingsheltersinlesssmilingsweltertailinguselesswitless
celary
slope
alterblackblankblazebleakbloodbloomblurtcleanelectflockglassplanesleet
Alter
Going
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I have researched and there is no 5 letter L word that is do to with milk but there is a seven letter word- lactose hope this was of help
utile
Pansy, daisy, tulip... poppy