10 letter words
UNDERWHELM​19
9 letter words
MICROFILM​18
OVERWHELM​20
CLINGFILM​17
8 letter words (4 words)
TELEFILM​13
FACEPALM​17
LADYPALM​16
PLIOFILM​15
7 letter words
BIOFILM​14
DISHELM​13
6 letter words (9 words)
NAPALM​10
EMBALM​12
BECALM​12
COPALM​12
ENCALM​10
IMBALM​12
REFILM​11
SCHELM​13
UNHELM​11
5 letter words (11 words)
REALM​7
PSALM​9
QUALM​16
DWALM​11
HAULM​10
SHALM​10
SKELM​11
SMALM​9
STULM​7
WHELM​13
YEALM​10
4 letter words (10 words)
FILM​9
PALM​8
CALM​8
HELM​9
BALM​8
HOLM​9
YELM​9
MALM​8
CULM​8
HALM​9
3 letter words
ELM​5
OLM​5