svipr (noun m.) ‘swinging, violent...’

• Hfr Lv 13^V (Hallfr 16)/3 — svipr ‘bereft’997
• Hharð Gamv 5^II/3 — svip ‘a swinging’1040
• RvHbreiðm Hl 44^III/8 — svipr ‘a motion’1145
• RvHbreiðm Hl 65^III/5 — svip ‘the swinging’1145
• Anon Mhkv 9^III/1 — svipr ‘a sudden loss’1200

elements in compounds

• Eyv Lv 4^I — svipkenni ‘’ 961
• Hfr Lv 11^V (Hallfr 14) — svipNjǫrðum ‘brandishing-Nirðir’ 996
• Þorm Þorgdr 6^V (Fbr 7) — sviprunnr ‘The brandishing-bush’ 1025
• Þorm Þorgdr 14^V (Fbr 17) — sviprunna ‘the swooping-bushes’ 1025
• ÞjóðA Sex 17^II — svipstund ‘fleeting time’ 1065
• HSt Rst 30^I — svipstund ‘moment’ 1200
• Anon Sól 57^VII — svipvísar ‘treacherous’ 1255
• Sturl Hákkv 8^II — svipkárr ‘the violent’ 1263
• Sigmund Lv 1^V (Nj 15) — sviphnuggnir ‘sad-looking’ ?