• blaedlike,
• blaidlike,
• land line,
• handlinne,
• hansline,
• hansdline,
• handeline,
• hndline,
• haandline,
• handlline,
• lanclike,
• landsie,
• langsine,
• lazzuline,
• lazulinee,
• yaedline,
• yarrdline,
• yaardline,
• landise,
• glandlue

• Ladling,
• landler,
• landlocked,
• landlubber,
• land line,
• landless,
• landlady,
• handling,
• landing,
• landlord.

The adjective form of the word "landline" is "landline". It is a word that can be used as a noun or an adjective without any change in form.

The plural form of the word "landline" is "landlines".

The singular form of the word "landline" is "landline". The word remains the same in both singular and plural forms.